641476640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{4813}}^1$

素因数の和:4859

約数の個数: 144

約数和(自身を含む): 1867003992

約数和(自身を除く): 1225527352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 160, 170, 196, 224, 238, 245, 272, 280, 340, 392, 476, 490, 544, 560, 595, 680, 784, 833, 952, 980, 1120, 1190, 1360, 1568, 1666, 1904, 1960, 2380, 2720, 3332, 3808, 3920, 4165, 4760, 4813, 6664, 7840, 8330, 9520, 9626, 13328, 16660, 19040, 19252, 24065, 26656, 33320, 33691, 38504, 48130, 66640, 67382, 77008, 81821, 96260, 133280, 134764, 154016, 163642, 168455, 192520, 235837, 269528, 327284, 336910, 385040, 409105, 471674, 539056, 572747, 654568, 673820, 770080, 818210, 943348, 1078112, 1145494, 1179185, 1309136, 1347640, 1636420, 1886696, 2290988, 2358370, 2618272, 2695280, 2863735, 3272840, 3773392, 4009229, 4581976, 4716740, 5390560, 5727470, 6545680, 7546784, 8018458, 9163952, 9433480, 11454940, 13091360, 16036916, 18327904, 18866960, 20046145, 22909880, 32073832, 37733920, 40092290, 45819760, 64147664, 80184580, 91639520, 128295328, 160369160, 320738320, 641476640]

約数ペア:

[(1, 641476640), (2, 320738320), (4, 160369160), (5, 128295328), (7, 91639520), (8, 80184580), (10, 64147664), (14, 45819760), (16, 40092290), (17, 37733920), (20, 32073832), (28, 22909880), (32, 20046145), (34, 18866960), (35, 18327904), (40, 16036916), (49, 13091360), (56, 11454940), (68, 9433480), (70, 9163952), (80, 8018458), (85, 7546784), (98, 6545680), (112, 5727470), (119, 5390560), (136, 4716740), (140, 4581976), (160, 4009229), (170, 3773392), (196, 3272840), (224, 2863735), (238, 2695280), (245, 2618272), (272, 2358370), (280, 2290988), (340, 1886696), (392, 1636420), (476, 1347640), (490, 1309136), (544, 1179185), (560, 1145494), (595, 1078112), (680, 943348), (784, 818210), (833, 770080), (952, 673820), (980, 654568), (1120, 572747), (1190, 539056), (1360, 471674), (1568, 409105), (1666, 385040), (1904, 336910), (1960, 327284), (2380, 269528), (2720, 235837), (3332, 192520), (3808, 168455), (3920, 163642), (4165, 154016), (4760, 134764), (4813, 133280), (6664, 96260), (7840, 81821), (8330, 77008), (9520, 67382), (9626, 66640), (13328, 48130), (16660, 38504), (19040, 33691), (19252, 33320), (24065, 26656)]