31042180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 76204800

約数和(自身を除く): 45162620

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 29, 46, 52, 58, 65, 92, 115, 116, 130, 145, 179, 230, 260, 290, 299, 358, 377, 460, 580, 598, 667, 716, 754, 895, 1196, 1334, 1495, 1508, 1790, 1885, 2327, 2668, 2990, 3335, 3580, 3770, 4117, 4654, 5191, 5980, 6670, 7540, 8234, 8671, 9308, 10382, 11635, 13340, 16468, 17342, 20585, 20764, 23270, 25955, 34684, 41170, 43355, 46540, 51910, 53521, 67483, 82340, 86710, 103820, 107042, 119393, 134966, 173420, 214084, 238786, 267605, 269932, 337415, 477572, 535210, 596965, 674830, 1070420, 1193930, 1349660, 1552109, 2387860, 3104218, 6208436, 7760545, 15521090, 31042180]

約数ペア:

[(1, 31042180), (2, 15521090), (4, 7760545), (5, 6208436), (10, 3104218), (13, 2387860), (20, 1552109), (23, 1349660), (26, 1193930), (29, 1070420), (46, 674830), (52, 596965), (58, 535210), (65, 477572), (92, 337415), (115, 269932), (116, 267605), (130, 238786), (145, 214084), (179, 173420), (230, 134966), (260, 119393), (290, 107042), (299, 103820), (358, 86710), (377, 82340), (460, 67483), (580, 53521), (598, 51910), (667, 46540), (716, 43355), (754, 41170), (895, 34684), (1196, 25955), (1334, 23270), (1495, 20764), (1508, 20585), (1790, 17342), (1885, 16468), (2327, 13340), (2668, 11635), (2990, 10382), (3335, 9308), (3580, 8671), (3770, 8234), (4117, 7540), (4654, 6670), (5191, 5980)]