18087960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 60341760

約数和(自身を除く): 42253800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 71, 88, 110, 120, 132, 142, 165, 193, 213, 220, 264, 284, 330, 355, 386, 426, 440, 568, 579, 660, 710, 772, 781, 852, 965, 1065, 1158, 1320, 1420, 1544, 1562, 1704, 1930, 2123, 2130, 2316, 2343, 2840, 2895, 3124, 3860, 3905, 4246, 4260, 4632, 4686, 5790, 6248, 6369, 7720, 7810, 8492, 8520, 9372, 10615, 11580, 11715, 12738, 13703, 15620, 16984, 18744, 21230, 23160, 23430, 25476, 27406, 31240, 31845, 41109, 42460, 46860, 50952, 54812, 63690, 68515, 82218, 84920, 93720, 109624, 127380, 137030, 150733, 164436, 205545, 254760, 274060, 301466, 328872, 411090, 452199, 548120, 602932, 753665, 822180, 904398, 1205864, 1507330, 1644360, 1808796, 2260995, 3014660, 3617592, 4521990, 6029320, 9043980, 18087960]

約数ペア:

[(1, 18087960), (2, 9043980), (3, 6029320), (4, 4521990), (5, 3617592), (6, 3014660), (8, 2260995), (10, 1808796), (11, 1644360), (12, 1507330), (15, 1205864), (20, 904398), (22, 822180), (24, 753665), (30, 602932), (33, 548120), (40, 452199), (44, 411090), (55, 328872), (60, 301466), (66, 274060), (71, 254760), (88, 205545), (110, 164436), (120, 150733), (132, 137030), (142, 127380), (165, 109624), (193, 93720), (213, 84920), (220, 82218), (264, 68515), (284, 63690), (330, 54812), (355, 50952), (386, 46860), (426, 42460), (440, 41109), (568, 31845), (579, 31240), (660, 27406), (710, 25476), (772, 23430), (781, 23160), (852, 21230), (965, 18744), (1065, 16984), (1158, 15620), (1320, 13703), (1420, 12738), (1544, 11715), (1562, 11580), (1704, 10615), (1930, 9372), (2123, 8520), (2130, 8492), (2316, 7810), (2343, 7720), (2840, 6369), (2895, 6248), (3124, 5790), (3860, 4686), (3905, 4632), (4246, 4260)]