12940560

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{1997}}^1$

素因数の和:2022

約数の個数: 100

約数和(自身を含む): 44966988

約数和(自身を除く): 32026428

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 1997, 2160, 3240, 3994, 5991, 6480, 7988, 9985, 11982, 15976, 17973, 19970, 23964, 29955, 31952, 35946, 39940, 47928, 53919, 59910, 71892, 79880, 89865, 95856, 107838, 119820, 143784, 159760, 161757, 179730, 215676, 239640, 269595, 287568, 323514, 359460, 431352, 479280, 539190, 647028, 718920, 808785, 862704, 1078380, 1294056, 1437840, 1617570, 2156760, 2588112, 3235140, 4313520, 6470280, 12940560]

約数ペア:

[(1, 12940560), (2, 6470280), (3, 4313520), (4, 3235140), (5, 2588112), (6, 2156760), (8, 1617570), (9, 1437840), (10, 1294056), (12, 1078380), (15, 862704), (16, 808785), (18, 718920), (20, 647028), (24, 539190), (27, 479280), (30, 431352), (36, 359460), (40, 323514), (45, 287568), (48, 269595), (54, 239640), (60, 215676), (72, 179730), (80, 161757), (81, 159760), (90, 143784), (108, 119820), (120, 107838), (135, 95856), (144, 89865), (162, 79880), (180, 71892), (216, 59910), (240, 53919), (270, 47928), (324, 39940), (360, 35946), (405, 31952), (432, 29955), (540, 23964), (648, 19970), (720, 17973), (810, 15976), (1080, 11982), (1296, 9985), (1620, 7988), (1997, 6480), (2160, 5991), (3240, 3994)]