40857960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2381}}^1$

素因数の和:2419

約数の個数: 128

約数和(自身を含む): 144063360

約数和(自身を除く): 103205400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 2145, 2381, 2860, 3432, 4290, 4762, 5720, 7143, 8580, 9524, 11905, 14286, 17160, 19048, 23810, 26191, 28572, 30953, 35715, 47620, 52382, 57144, 61906, 71430, 78573, 92859, 95240, 104764, 123812, 130955, 142860, 154765, 157146, 185718, 209528, 247624, 261910, 285720, 309530, 314292, 340483, 371436, 392865, 464295, 523820, 619060, 628584, 680966, 742872, 785730, 928590, 1021449, 1047640, 1238120, 1361932, 1571460, 1702415, 1857180, 2042898, 2723864, 3142920, 3404830, 3714360, 4085796, 5107245, 6809660, 8171592, 10214490, 13619320, 20428980, 40857960]

約数ペア:

[(1, 40857960), (2, 20428980), (3, 13619320), (4, 10214490), (5, 8171592), (6, 6809660), (8, 5107245), (10, 4085796), (11, 3714360), (12, 3404830), (13, 3142920), (15, 2723864), (20, 2042898), (22, 1857180), (24, 1702415), (26, 1571460), (30, 1361932), (33, 1238120), (39, 1047640), (40, 1021449), (44, 928590), (52, 785730), (55, 742872), (60, 680966), (65, 628584), (66, 619060), (78, 523820), (88, 464295), (104, 392865), (110, 371436), (120, 340483), (130, 314292), (132, 309530), (143, 285720), (156, 261910), (165, 247624), (195, 209528), (220, 185718), (260, 157146), (264, 154765), (286, 142860), (312, 130955), (330, 123812), (390, 104764), (429, 95240), (440, 92859), (520, 78573), (572, 71430), (660, 61906), (715, 57144), (780, 52382), (858, 47620), (1144, 35715), (1320, 30953), (1430, 28572), (1560, 26191), (1716, 23810), (2145, 19048), (2381, 17160), (2860, 14286), (3432, 11905), (4290, 9524), (4762, 8580), (5720, 7143)]