87348780

素因数分解:

$2^2\times 3^7\times 5^1\times {\mathrm{1997}}^1$

素因数の和:2027

約数の個数: 96

約数和(自身を含む): 275244480

約数和(自身を除く): 187895700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1458, 1620, 1997, 2187, 2430, 2916, 3645, 3994, 4374, 4860, 5991, 7290, 7988, 8748, 9985, 10935, 11982, 14580, 17973, 19970, 21870, 23964, 29955, 35946, 39940, 43740, 53919, 59910, 71892, 89865, 107838, 119820, 161757, 179730, 215676, 269595, 323514, 359460, 485271, 539190, 647028, 808785, 970542, 1078380, 1455813, 1617570, 1941084, 2426355, 2911626, 3235140, 4367439, 4852710, 5823252, 7279065, 8734878, 9705420, 14558130, 17469756, 21837195, 29116260, 43674390, 87348780]

約数ペア:

[(1, 87348780), (2, 43674390), (3, 29116260), (4, 21837195), (5, 17469756), (6, 14558130), (9, 9705420), (10, 8734878), (12, 7279065), (15, 5823252), (18, 4852710), (20, 4367439), (27, 3235140), (30, 2911626), (36, 2426355), (45, 1941084), (54, 1617570), (60, 1455813), (81, 1078380), (90, 970542), (108, 808785), (135, 647028), (162, 539190), (180, 485271), (243, 359460), (270, 323514), (324, 269595), (405, 215676), (486, 179730), (540, 161757), (729, 119820), (810, 107838), (972, 89865), (1215, 71892), (1458, 59910), (1620, 53919), (1997, 43740), (2187, 39940), (2430, 35946), (2916, 29955), (3645, 23964), (3994, 21870), (4374, 19970), (4860, 17973), (5991, 14580), (7290, 11982), (7988, 10935), (8748, 9985)]