38821680

素因数分解:

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

素因数の和:2025

約数の個数: 120

約数和(自身を含む): 135272592

約数和(自身を除く): 96450912

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, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1620, 1944, 1997, 2160, 2430, 3240, 3888, 3994, 4860, 5991, 6480, 7988, 9720, 9985, 11982, 15976, 17973, 19440, 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, 485271, 539190, 647028, 718920, 808785, 862704, 970542, 1078380, 1294056, 1437840, 1617570, 1941084, 2156760, 2426355, 2588112, 3235140, 3882168, 4313520, 4852710, 6470280, 7764336, 9705420, 12940560, 19410840, 38821680]

約数ペア:

[(1, 38821680), (2, 19410840), (3, 12940560), (4, 9705420), (5, 7764336), (6, 6470280), (8, 4852710), (9, 4313520), (10, 3882168), (12, 3235140), (15, 2588112), (16, 2426355), (18, 2156760), (20, 1941084), (24, 1617570), (27, 1437840), (30, 1294056), (36, 1078380), (40, 970542), (45, 862704), (48, 808785), (54, 718920), (60, 647028), (72, 539190), (80, 485271), (81, 479280), (90, 431352), (108, 359460), (120, 323514), (135, 287568), (144, 269595), (162, 239640), (180, 215676), (216, 179730), (240, 161757), (243, 159760), (270, 143784), (324, 119820), (360, 107838), (405, 95856), (432, 89865), (486, 79880), (540, 71892), (648, 59910), (720, 53919), (810, 47928), (972, 39940), (1080, 35946), (1215, 31952), (1296, 29955), (1620, 23964), (1944, 19970), (1997, 19440), (2160, 17973), (2430, 15976), (3240, 11982), (3888, 9985), (3994, 9720), (4860, 7988), (5991, 6480)]