2151557720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{3691}}^1$

素因数の和:3793

約数の個数: 128

約数和(自身を含む): 5582304000

約数和(自身を除く): 3430746280

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 59, 65, 76, 95, 104, 118, 130, 152, 190, 236, 247, 260, 295, 380, 472, 494, 520, 590, 760, 767, 988, 1121, 1180, 1235, 1534, 1976, 2242, 2360, 2470, 3068, 3691, 3835, 4484, 4940, 5605, 6136, 7382, 7670, 8968, 9880, 11210, 14573, 14764, 15340, 18455, 22420, 29146, 29528, 30680, 36910, 44840, 47983, 58292, 70129, 72865, 73820, 95966, 116584, 140258, 145730, 147640, 191932, 217769, 239915, 280516, 291460, 350645, 383864, 435538, 479830, 561032, 582920, 701290, 871076, 911677, 959660, 1088845, 1402580, 1742152, 1823354, 1919320, 2177690, 2805160, 2830997, 3646708, 4137611, 4355380, 4558385, 5661994, 7293416, 8275222, 8710760, 9116770, 11323988, 14154985, 16550444, 18233540, 20688055, 22647976, 28309970, 33100888, 36467080, 41376110, 53788943, 56619940, 82752220, 107577886, 113239880, 165504440, 215155772, 268944715, 430311544, 537889430, 1075778860, 2151557720]

約数ペア:

[(1, 2151557720), (2, 1075778860), (4, 537889430), (5, 430311544), (8, 268944715), (10, 215155772), (13, 165504440), (19, 113239880), (20, 107577886), (26, 82752220), (38, 56619940), (40, 53788943), (52, 41376110), (59, 36467080), (65, 33100888), (76, 28309970), (95, 22647976), (104, 20688055), (118, 18233540), (130, 16550444), (152, 14154985), (190, 11323988), (236, 9116770), (247, 8710760), (260, 8275222), (295, 7293416), (380, 5661994), (472, 4558385), (494, 4355380), (520, 4137611), (590, 3646708), (760, 2830997), (767, 2805160), (988, 2177690), (1121, 1919320), (1180, 1823354), (1235, 1742152), (1534, 1402580), (1976, 1088845), (2242, 959660), (2360, 911677), (2470, 871076), (3068, 701290), (3691, 582920), (3835, 561032), (4484, 479830), (4940, 435538), (5605, 383864), (6136, 350645), (7382, 291460), (7670, 280516), (8968, 239915), (9880, 217769), (11210, 191932), (14573, 147640), (14764, 145730), (15340, 140258), (18455, 116584), (22420, 95966), (29146, 73820), (29528, 72865), (30680, 70129), (36910, 58292), (44840, 47983)]