278302500

素因数分解:

$2^2\times 3^3\times 5^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:90

約数の個数: 480

約数和(自身を含む): 1119641600

約数和(自身を除く): 841339100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 25, 27, 28, 30, 31, 35, 36, 38, 42, 45, 50, 54, 57, 60, 62, 63, 70, 75, 76, 84, 90, 93, 95, 100, 105, 108, 114, 124, 125, 126, 133, 135, 140, 150, 155, 171, 175, 180, 186, 189, 190, 210, 217, 225, 228, 250, 252, 266, 270, 279, 285, 300, 310, 315, 342, 350, 372, 375, 378, 380, 399, 420, 434, 450, 465, 475, 500, 513, 525, 532, 540, 558, 570, 589, 620, 625, 630, 651, 665, 675, 684, 700, 750, 756, 775, 798, 837, 855, 868, 875, 900, 930, 945, 950, 1026, 1050, 1085, 1116, 1125, 1140, 1178, 1197, 1250, 1260, 1302, 1330, 1350, 1395, 1425, 1500, 1550, 1575, 1596, 1674, 1710, 1750, 1767, 1860, 1875, 1890, 1900, 1953, 1995, 2052, 2100, 2170, 2250, 2325, 2356, 2375, 2394, 2500, 2565, 2604, 2625, 2660, 2700, 2790, 2850, 2945, 3100, 3150, 3255, 3325, 3348, 3375, 3420, 3500, 3534, 3591, 3750, 3780, 3875, 3906, 3990, 4123, 4185, 4275, 4340, 4375, 4500, 4650, 4725, 4750, 4788, 5130, 5250, 5301, 5425, 5580, 5625, 5700, 5859, 5890, 5985, 6300, 6510, 6650, 6750, 6975, 7068, 7125, 7182, 7500, 7750, 7812, 7875, 7980, 8246, 8370, 8550, 8750, 8835, 9300, 9450, 9500, 9765, 9975, 10260, 10500, 10602, 10850, 11250, 11625, 11718, 11780, 11875, 11970, 12369, 12825, 13020, 13125, 13300, 13500, 13950, 14250, 14364, 14725, 15500, 15750, 15903, 16275, 16492, 16625, 16740, 16875, 17100, 17500, 17670, 17955, 18900, 19375, 19530, 19950, 20615, 20925, 21204, 21375, 21700, 22500, 23250, 23436, 23625, 23750, 23940, 24738, 25650, 26250, 26505, 27125, 27900, 28500, 29295, 29450, 29925, 31500, 31806, 32550, 33250, 33750, 34875, 35340, 35625, 35910, 37107, 38750, 39060, 39375, 39900, 41230, 41850, 42750, 44175, 46500, 47250, 47500, 48825, 49476, 49875, 51300, 52500, 53010, 54250, 58125, 58590, 58900, 59850, 61845, 63612, 64125, 65100, 66500, 67500, 69750, 71250, 71820, 73625, 74214, 77500, 78750, 79515, 81375, 82460, 83125, 83700, 85500, 88350, 89775, 94500, 97650, 99750, 103075, 104625, 106020, 106875, 108500, 111321, 116250, 117180, 118125, 119700, 123690, 128250, 132525, 135625, 139500, 142500, 146475, 147250, 148428, 149625, 157500, 159030, 162750, 166250, 174375, 176700, 179550, 185535, 195300, 199500, 206150, 209250, 213750, 220875, 222642, 232500, 236250, 244125, 247380, 249375, 256500, 265050, 271250, 292950, 294500, 299250, 309225, 318060, 320625, 325500, 332500, 348750, 359100, 368125, 371070, 397575, 406875, 412300, 418500, 427500, 441750, 445284, 448875, 472500, 488250, 498750, 515375, 523125, 530100, 542500, 556605, 585900, 598500, 618450, 641250, 662625, 697500, 732375, 736250, 742140, 748125, 795150, 813750, 883500, 897750, 927675, 976500, 997500, 1030750, 1046250, 1104375, 1113210, 1220625, 1236900, 1282500, 1325250, 1464750, 1472500, 1496250, 1546125, 1590300, 1627500, 1795500, 1855350, 1987875, 2061500, 2092500, 2208750, 2226420, 2244375, 2441250, 2576875, 2650500, 2783025, 2929500, 2992500, 3092250, 3313125, 3661875, 3710700, 3975750, 4417500, 4488750, 4638375, 4882500, 5153750, 5566050, 6184500, 6626250, 7323750, 7730625, 7951500, 8977500, 9276750, 9939375, 10307500, 11132100, 13252500, 13915125, 14647500, 15461250, 18553500, 19878750, 23191875, 27830250, 30922500, 39757500, 46383750, 55660500, 69575625, 92767500, 139151250, 278302500]

約数ペア:

[(1, 278302500), (2, 139151250), (3, 92767500), (4, 69575625), (5, 55660500), (6, 46383750), (7, 39757500), (9, 30922500), (10, 27830250), (12, 23191875), (14, 19878750), (15, 18553500), (18, 15461250), (19, 14647500), (20, 13915125), (21, 13252500), (25, 11132100), (27, 10307500), (28, 9939375), (30, 9276750), (31, 8977500), (35, 7951500), (36, 7730625), (38, 7323750), (42, 6626250), (45, 6184500), (50, 5566050), (54, 5153750), (57, 4882500), (60, 4638375), (62, 4488750), (63, 4417500), (70, 3975750), (75, 3710700), (76, 3661875), (84, 3313125), (90, 3092250), (93, 2992500), (95, 2929500), (100, 2783025), (105, 2650500), (108, 2576875), (114, 2441250), (124, 2244375), (125, 2226420), (126, 2208750), (133, 2092500), (135, 2061500), (140, 1987875), (150, 1855350), (155, 1795500), (171, 1627500), (175, 1590300), (180, 1546125), (186, 1496250), (189, 1472500), (190, 1464750), (210, 1325250), (217, 1282500), (225, 1236900), (228, 1220625), (250, 1113210), (252, 1104375), (266, 1046250), (270, 1030750), (279, 997500), (285, 976500), (300, 927675), (310, 897750), (315, 883500), (342, 813750), (350, 795150), (372, 748125), (375, 742140), (378, 736250), (380, 732375), (399, 697500), (420, 662625), (434, 641250), (450, 618450), (465, 598500), (475, 585900), (500, 556605), (513, 542500), (525, 530100), (532, 523125), (540, 515375), (558, 498750), (570, 488250), (589, 472500), (620, 448875), (625, 445284), (630, 441750), (651, 427500), (665, 418500), (675, 412300), (684, 406875), (700, 397575), (750, 371070), (756, 368125), (775, 359100), (798, 348750), (837, 332500), (855, 325500), (868, 320625), (875, 318060), (900, 309225), (930, 299250), (945, 294500), (950, 292950), (1026, 271250), (1050, 265050), (1085, 256500), (1116, 249375), (1125, 247380), (1140, 244125), (1178, 236250), (1197, 232500), (1250, 222642), (1260, 220875), (1302, 213750), (1330, 209250), (1350, 206150), (1395, 199500), (1425, 195300), (1500, 185535), (1550, 179550), (1575, 176700), (1596, 174375), (1674, 166250), (1710, 162750), (1750, 159030), (1767, 157500), (1860, 149625), (1875, 148428), (1890, 147250), (1900, 146475), (1953, 142500), (1995, 139500), (2052, 135625), (2100, 132525), (2170, 128250), (2250, 123690), (2325, 119700), (2356, 118125), (2375, 117180), (2394, 116250), (2500, 111321), (2565, 108500), (2604, 106875), (2625, 106020), (2660, 104625), (2700, 103075), (2790, 99750), (2850, 97650), (2945, 94500), (3100, 89775), (3150, 88350), (3255, 85500), (3325, 83700), (3348, 83125), (3375, 82460), (3420, 81375), (3500, 79515), (3534, 78750), (3591, 77500), (3750, 74214), (3780, 73625), (3875, 71820), (3906, 71250), (3990, 69750), (4123, 67500), (4185, 66500), (4275, 65100), (4340, 64125), (4375, 63612), (4500, 61845), (4650, 59850), (4725, 58900), (4750, 58590), (4788, 58125), (5130, 54250), (5250, 53010), (5301, 52500), (5425, 51300), (5580, 49875), (5625, 49476), (5700, 48825), (5859, 47500), (5890, 47250), (5985, 46500), (6300, 44175), (6510, 42750), (6650, 41850), (6750, 41230), (6975, 39900), (7068, 39375), (7125, 39060), (7182, 38750), (7500, 37107), (7750, 35910), (7812, 35625), (7875, 35340), (7980, 34875), (8246, 33750), (8370, 33250), (8550, 32550), (8750, 31806), (8835, 31500), (9300, 29925), (9450, 29450), (9500, 29295), (9765, 28500), (9975, 27900), (10260, 27125), (10500, 26505), (10602, 26250), (10850, 25650), (11250, 24738), (11625, 23940), (11718, 23750), (11780, 23625), (11875, 23436), (11970, 23250), (12369, 22500), (12825, 21700), (13020, 21375), (13125, 21204), (13300, 20925), (13500, 20615), (13950, 19950), (14250, 19530), (14364, 19375), (14725, 18900), (15500, 17955), (15750, 17670), (15903, 17500), (16275, 17100), (16492, 16875), (16625, 16740)]