30493840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:404

約数の個数: 80

約数和(自身を含む): 77338800

約数和(自身を除く): 46844960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 109, 130, 208, 218, 260, 269, 436, 520, 538, 545, 872, 1040, 1076, 1090, 1345, 1417, 1744, 2152, 2180, 2690, 2834, 3497, 4304, 4360, 5380, 5668, 6994, 7085, 8720, 10760, 11336, 13988, 14170, 17485, 21520, 22672, 27976, 28340, 29321, 34970, 55952, 56680, 58642, 69940, 113360, 117284, 139880, 146605, 234568, 279760, 293210, 381173, 469136, 586420, 762346, 1172840, 1524692, 1905865, 2345680, 3049384, 3811730, 6098768, 7623460, 15246920, 30493840]

約数ペア:

[(1, 30493840), (2, 15246920), (4, 7623460), (5, 6098768), (8, 3811730), (10, 3049384), (13, 2345680), (16, 1905865), (20, 1524692), (26, 1172840), (40, 762346), (52, 586420), (65, 469136), (80, 381173), (104, 293210), (109, 279760), (130, 234568), (208, 146605), (218, 139880), (260, 117284), (269, 113360), (436, 69940), (520, 58642), (538, 56680), (545, 55952), (872, 34970), (1040, 29321), (1076, 28340), (1090, 27976), (1345, 22672), (1417, 21520), (1744, 17485), (2152, 14170), (2180, 13988), (2690, 11336), (2834, 10760), (3497, 8720), (4304, 7085), (4360, 6994), (5380, 5668)]