280917000

素因数分解:

$2^3\times 3^2\times 5^3\times 7^4\times {\mathrm{13}}^1$

素因数の和:68

約数の個数: 480

約数和(自身を含む): 1192889880

約数和(自身を除く): 911972880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 25, 26, 28, 30, 35, 36, 39, 40, 42, 45, 49, 50, 52, 56, 60, 63, 65, 70, 72, 75, 78, 84, 90, 91, 98, 100, 104, 105, 117, 120, 125, 126, 130, 140, 147, 150, 156, 168, 175, 180, 182, 195, 196, 200, 210, 225, 234, 245, 250, 252, 260, 273, 280, 294, 300, 312, 315, 325, 343, 350, 360, 364, 375, 390, 392, 420, 441, 450, 455, 468, 490, 500, 504, 520, 525, 546, 585, 588, 600, 630, 637, 650, 686, 700, 728, 735, 750, 780, 819, 840, 875, 882, 900, 910, 936, 975, 980, 1000, 1029, 1050, 1092, 1125, 1170, 1176, 1225, 1260, 1274, 1300, 1365, 1372, 1400, 1470, 1500, 1560, 1575, 1625, 1638, 1715, 1750, 1764, 1800, 1820, 1911, 1950, 1960, 2058, 2100, 2184, 2205, 2250, 2275, 2340, 2401, 2450, 2520, 2548, 2600, 2625, 2730, 2744, 2925, 2940, 3000, 3087, 3150, 3185, 3250, 3276, 3430, 3500, 3528, 3640, 3675, 3822, 3900, 4095, 4116, 4200, 4410, 4459, 4500, 4550, 4680, 4802, 4875, 4900, 5096, 5145, 5250, 5460, 5733, 5850, 5880, 6125, 6174, 6300, 6370, 6500, 6552, 6825, 6860, 7000, 7203, 7350, 7644, 7800, 7875, 8190, 8232, 8575, 8820, 8918, 9000, 9100, 9555, 9604, 9750, 9800, 10290, 10500, 10920, 11025, 11375, 11466, 11700, 12005, 12250, 12348, 12600, 12740, 13000, 13377, 13650, 13720, 14406, 14625, 14700, 15288, 15435, 15750, 15925, 16380, 17150, 17640, 17836, 18200, 18375, 19110, 19208, 19500, 20475, 20580, 21000, 21609, 22050, 22295, 22750, 22932, 23400, 24010, 24500, 24696, 25480, 25725, 26754, 27300, 28665, 28812, 29250, 29400, 30870, 31213, 31500, 31850, 32760, 34125, 34300, 35672, 36015, 36750, 38220, 39000, 40131, 40950, 41160, 42875, 43218, 44100, 44590, 45500, 45864, 47775, 48020, 49000, 51450, 53508, 54600, 55125, 57330, 57624, 58500, 60025, 61740, 62426, 63000, 63700, 66885, 68250, 68600, 72030, 73500, 76440, 77175, 79625, 80262, 81900, 85750, 86436, 88200, 89180, 91000, 93639, 95550, 96040, 102375, 102900, 107016, 108045, 110250, 111475, 114660, 117000, 120050, 123480, 124852, 127400, 128625, 133770, 136500, 143325, 144060, 147000, 154350, 156065, 159250, 160524, 163800, 171500, 172872, 178360, 180075, 187278, 191100, 200655, 204750, 205800, 216090, 220500, 222950, 229320, 238875, 240100, 249704, 257250, 267540, 273000, 280917, 286650, 288120, 300125, 308700, 312130, 318500, 321048, 334425, 343000, 360150, 374556, 382200, 385875, 401310, 409500, 432180, 441000, 445900, 468195, 477750, 480200, 514500, 535080, 540225, 557375, 561834, 573300, 600250, 617400, 624260, 637000, 668850, 716625, 720300, 749112, 771750, 780325, 802620, 819000, 864360, 891800, 900375, 936390, 955500, 1003275, 1029000, 1080450, 1114750, 1123668, 1146600, 1200500, 1248520, 1337700, 1404585, 1433250, 1440600, 1543500, 1560650, 1605240, 1672125, 1800750, 1872780, 1911000, 2006550, 2160900, 2229500, 2247336, 2340975, 2401000, 2675400, 2701125, 2809170, 2866500, 3087000, 3121300, 3344250, 3601500, 3745560, 3901625, 4013100, 4321800, 4459000, 4681950, 5016375, 5402250, 5618340, 5733000, 6242600, 6688500, 7022925, 7203000, 7803250, 8026200, 9363900, 10032750, 10804500, 11236680, 11704875, 13377000, 14045850, 15606500, 18727800, 20065500, 21609000, 23409750, 28091700, 31213000, 35114625, 40131000, 46819500, 56183400, 70229250, 93639000, 140458500, 280917000]

約数ペア:

[(1, 280917000), (2, 140458500), (3, 93639000), (4, 70229250), (5, 56183400), (6, 46819500), (7, 40131000), (8, 35114625), (9, 31213000), (10, 28091700), (12, 23409750), (13, 21609000), (14, 20065500), (15, 18727800), (18, 15606500), (20, 14045850), (21, 13377000), (24, 11704875), (25, 11236680), (26, 10804500), (28, 10032750), (30, 9363900), (35, 8026200), (36, 7803250), (39, 7203000), (40, 7022925), (42, 6688500), (45, 6242600), (49, 5733000), (50, 5618340), (52, 5402250), (56, 5016375), (60, 4681950), (63, 4459000), (65, 4321800), (70, 4013100), (72, 3901625), (75, 3745560), (78, 3601500), (84, 3344250), (90, 3121300), (91, 3087000), (98, 2866500), (100, 2809170), (104, 2701125), (105, 2675400), (117, 2401000), (120, 2340975), (125, 2247336), (126, 2229500), (130, 2160900), (140, 2006550), (147, 1911000), (150, 1872780), (156, 1800750), (168, 1672125), (175, 1605240), (180, 1560650), (182, 1543500), (195, 1440600), (196, 1433250), (200, 1404585), (210, 1337700), (225, 1248520), (234, 1200500), (245, 1146600), (250, 1123668), (252, 1114750), (260, 1080450), (273, 1029000), (280, 1003275), (294, 955500), (300, 936390), (312, 900375), (315, 891800), (325, 864360), (343, 819000), (350, 802620), (360, 780325), (364, 771750), (375, 749112), (390, 720300), (392, 716625), (420, 668850), (441, 637000), (450, 624260), (455, 617400), (468, 600250), (490, 573300), (500, 561834), (504, 557375), (520, 540225), (525, 535080), (546, 514500), (585, 480200), (588, 477750), (600, 468195), (630, 445900), (637, 441000), (650, 432180), (686, 409500), (700, 401310), (728, 385875), (735, 382200), (750, 374556), (780, 360150), (819, 343000), (840, 334425), (875, 321048), (882, 318500), (900, 312130), (910, 308700), (936, 300125), (975, 288120), (980, 286650), (1000, 280917), (1029, 273000), (1050, 267540), (1092, 257250), (1125, 249704), (1170, 240100), (1176, 238875), (1225, 229320), (1260, 222950), (1274, 220500), (1300, 216090), (1365, 205800), (1372, 204750), (1400, 200655), (1470, 191100), (1500, 187278), (1560, 180075), (1575, 178360), (1625, 172872), (1638, 171500), (1715, 163800), (1750, 160524), (1764, 159250), (1800, 156065), (1820, 154350), (1911, 147000), (1950, 144060), (1960, 143325), (2058, 136500), (2100, 133770), (2184, 128625), (2205, 127400), (2250, 124852), (2275, 123480), (2340, 120050), (2401, 117000), (2450, 114660), (2520, 111475), (2548, 110250), (2600, 108045), (2625, 107016), (2730, 102900), (2744, 102375), (2925, 96040), (2940, 95550), (3000, 93639), (3087, 91000), (3150, 89180), (3185, 88200), (3250, 86436), (3276, 85750), (3430, 81900), (3500, 80262), (3528, 79625), (3640, 77175), (3675, 76440), (3822, 73500), (3900, 72030), (4095, 68600), (4116, 68250), (4200, 66885), (4410, 63700), (4459, 63000), (4500, 62426), (4550, 61740), (4680, 60025), (4802, 58500), (4875, 57624), (4900, 57330), (5096, 55125), (5145, 54600), (5250, 53508), (5460, 51450), (5733, 49000), (5850, 48020), (5880, 47775), (6125, 45864), (6174, 45500), (6300, 44590), (6370, 44100), (6500, 43218), (6552, 42875), (6825, 41160), (6860, 40950), (7000, 40131), (7203, 39000), (7350, 38220), (7644, 36750), (7800, 36015), (7875, 35672), (8190, 34300), (8232, 34125), (8575, 32760), (8820, 31850), (8918, 31500), (9000, 31213), (9100, 30870), (9555, 29400), (9604, 29250), (9750, 28812), (9800, 28665), (10290, 27300), (10500, 26754), (10920, 25725), (11025, 25480), (11375, 24696), (11466, 24500), (11700, 24010), (12005, 23400), (12250, 22932), (12348, 22750), (12600, 22295), (12740, 22050), (13000, 21609), (13377, 21000), (13650, 20580), (13720, 20475), (14406, 19500), (14625, 19208), (14700, 19110), (15288, 18375), (15435, 18200), (15750, 17836), (15925, 17640), (16380, 17150)]