251561520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 480

約数和(自身を含む): 1058503680

約数和(自身を除く): 806942160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 37, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 71, 72, 74, 76, 80, 84, 90, 95, 105, 111, 112, 114, 120, 126, 133, 140, 142, 144, 148, 152, 168, 171, 180, 185, 190, 210, 213, 222, 228, 240, 252, 259, 266, 280, 284, 285, 296, 304, 315, 333, 336, 342, 355, 360, 370, 380, 399, 420, 426, 444, 456, 497, 504, 518, 532, 555, 560, 568, 570, 592, 630, 639, 665, 666, 684, 703, 710, 720, 740, 760, 777, 798, 840, 852, 855, 888, 912, 994, 1008, 1036, 1064, 1065, 1110, 1136, 1140, 1197, 1260, 1278, 1295, 1330, 1332, 1349, 1368, 1406, 1420, 1480, 1491, 1520, 1554, 1596, 1665, 1680, 1704, 1710, 1776, 1988, 1995, 2072, 2109, 2128, 2130, 2220, 2280, 2331, 2394, 2485, 2520, 2556, 2590, 2627, 2660, 2664, 2698, 2736, 2812, 2840, 2960, 2982, 3108, 3192, 3195, 3330, 3408, 3420, 3515, 3885, 3976, 3990, 4047, 4144, 4218, 4260, 4440, 4473, 4560, 4662, 4788, 4921, 4970, 5040, 5112, 5180, 5254, 5320, 5328, 5396, 5624, 5680, 5964, 5985, 6216, 6327, 6384, 6390, 6660, 6745, 6840, 7030, 7455, 7770, 7881, 7952, 7980, 8094, 8436, 8520, 8880, 8946, 9324, 9443, 9576, 9842, 9940, 10224, 10360, 10508, 10545, 10640, 10792, 11248, 11655, 11928, 11970, 12141, 12432, 12654, 12780, 13135, 13320, 13490, 13680, 14060, 14763, 14910, 15540, 15762, 15960, 16188, 16872, 17040, 17892, 18389, 18648, 18886, 19152, 19684, 19880, 20235, 20720, 21016, 21090, 21584, 22365, 23310, 23643, 23856, 23940, 24282, 24605, 25308, 25560, 26270, 26640, 26980, 28120, 28329, 29526, 29820, 31080, 31524, 31635, 31920, 32376, 33744, 35784, 36778, 37296, 37772, 39368, 39405, 39760, 40470, 42032, 42180, 44289, 44730, 46620, 47215, 47286, 47880, 48564, 49210, 49913, 50616, 51120, 52540, 53960, 55167, 56240, 56658, 59052, 59640, 60705, 62160, 63048, 63270, 64752, 71568, 73556, 73815, 75544, 78736, 78810, 80940, 84360, 84987, 88578, 89460, 91945, 93240, 94430, 94572, 95760, 97128, 98420, 99826, 101232, 105080, 107920, 110334, 113316, 118104, 118215, 119280, 121410, 126096, 126540, 141645, 147112, 147630, 149739, 151088, 157620, 161880, 165501, 168720, 169974, 177156, 178920, 183890, 186480, 188860, 189144, 194256, 196840, 199652, 210160, 220668, 221445, 226632, 236208, 236430, 242820, 249565, 253080, 275835, 283290, 294224, 295260, 299478, 315240, 323760, 331002, 339948, 349391, 354312, 357840, 367780, 377720, 378288, 393680, 399304, 424935, 441336, 442890, 449217, 453264, 472860, 485640, 499130, 506160, 551670, 566580, 590520, 598956, 630480, 662004, 679896, 698782, 708624, 735560, 748695, 755440, 798608, 827505, 849870, 882672, 885780, 898434, 945720, 971280, 998260, 1048173, 1103340, 1133160, 1181040, 1197912, 1324008, 1359792, 1397564, 1471120, 1497390, 1655010, 1699740, 1746955, 1771560, 1796868, 1891440, 1996520, 2096346, 2206680, 2246085, 2266320, 2395824, 2648016, 2795128, 2994780, 3144519, 3310020, 3399480, 3493910, 3543120, 3593736, 3993040, 4192692, 4413360, 4492170, 5240865, 5590256, 5989560, 6289038, 6620040, 6798960, 6987820, 7187472, 8385384, 8984340, 10481730, 11979120, 12578076, 13240080, 13975640, 15722595, 16770768, 17968680, 20963460, 25156152, 27951280, 31445190, 35937360, 41926920, 50312304, 62890380, 83853840, 125780760, 251561520]

約数ペア:

[(1, 251561520), (2, 125780760), (3, 83853840), (4, 62890380), (5, 50312304), (6, 41926920), (7, 35937360), (8, 31445190), (9, 27951280), (10, 25156152), (12, 20963460), (14, 17968680), (15, 16770768), (16, 15722595), (18, 13975640), (19, 13240080), (20, 12578076), (21, 11979120), (24, 10481730), (28, 8984340), (30, 8385384), (35, 7187472), (36, 6987820), (37, 6798960), (38, 6620040), (40, 6289038), (42, 5989560), (45, 5590256), (48, 5240865), (56, 4492170), (57, 4413360), (60, 4192692), (63, 3993040), (70, 3593736), (71, 3543120), (72, 3493910), (74, 3399480), (76, 3310020), (80, 3144519), (84, 2994780), (90, 2795128), (95, 2648016), (105, 2395824), (111, 2266320), (112, 2246085), (114, 2206680), (120, 2096346), (126, 1996520), (133, 1891440), (140, 1796868), (142, 1771560), (144, 1746955), (148, 1699740), (152, 1655010), (168, 1497390), (171, 1471120), (180, 1397564), (185, 1359792), (190, 1324008), (210, 1197912), (213, 1181040), (222, 1133160), (228, 1103340), (240, 1048173), (252, 998260), (259, 971280), (266, 945720), (280, 898434), (284, 885780), (285, 882672), (296, 849870), (304, 827505), (315, 798608), (333, 755440), (336, 748695), (342, 735560), (355, 708624), (360, 698782), (370, 679896), (380, 662004), (399, 630480), (420, 598956), (426, 590520), (444, 566580), (456, 551670), (497, 506160), (504, 499130), (518, 485640), (532, 472860), (555, 453264), (560, 449217), (568, 442890), (570, 441336), (592, 424935), (630, 399304), (639, 393680), (665, 378288), (666, 377720), (684, 367780), (703, 357840), (710, 354312), (720, 349391), (740, 339948), (760, 331002), (777, 323760), (798, 315240), (840, 299478), (852, 295260), (855, 294224), (888, 283290), (912, 275835), (994, 253080), (1008, 249565), (1036, 242820), (1064, 236430), (1065, 236208), (1110, 226632), (1136, 221445), (1140, 220668), (1197, 210160), (1260, 199652), (1278, 196840), (1295, 194256), (1330, 189144), (1332, 188860), (1349, 186480), (1368, 183890), (1406, 178920), (1420, 177156), (1480, 169974), (1491, 168720), (1520, 165501), (1554, 161880), (1596, 157620), (1665, 151088), (1680, 149739), (1704, 147630), (1710, 147112), (1776, 141645), (1988, 126540), (1995, 126096), (2072, 121410), (2109, 119280), (2128, 118215), (2130, 118104), (2220, 113316), (2280, 110334), (2331, 107920), (2394, 105080), (2485, 101232), (2520, 99826), (2556, 98420), (2590, 97128), (2627, 95760), (2660, 94572), (2664, 94430), (2698, 93240), (2736, 91945), (2812, 89460), (2840, 88578), (2960, 84987), (2982, 84360), (3108, 80940), (3192, 78810), (3195, 78736), (3330, 75544), (3408, 73815), (3420, 73556), (3515, 71568), (3885, 64752), (3976, 63270), (3990, 63048), (4047, 62160), (4144, 60705), (4218, 59640), (4260, 59052), (4440, 56658), (4473, 56240), (4560, 55167), (4662, 53960), (4788, 52540), (4921, 51120), (4970, 50616), (5040, 49913), (5112, 49210), (5180, 48564), (5254, 47880), (5320, 47286), (5328, 47215), (5396, 46620), (5624, 44730), (5680, 44289), (5964, 42180), (5985, 42032), (6216, 40470), (6327, 39760), (6384, 39405), (6390, 39368), (6660, 37772), (6745, 37296), (6840, 36778), (7030, 35784), (7455, 33744), (7770, 32376), (7881, 31920), (7952, 31635), (7980, 31524), (8094, 31080), (8436, 29820), (8520, 29526), (8880, 28329), (8946, 28120), (9324, 26980), (9443, 26640), (9576, 26270), (9842, 25560), (9940, 25308), (10224, 24605), (10360, 24282), (10508, 23940), (10545, 23856), (10640, 23643), (10792, 23310), (11248, 22365), (11655, 21584), (11928, 21090), (11970, 21016), (12141, 20720), (12432, 20235), (12654, 19880), (12780, 19684), (13135, 19152), (13320, 18886), (13490, 18648), (13680, 18389), (14060, 17892), (14763, 17040), (14910, 16872), (15540, 16188), (15762, 15960)]