21531600

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{5981}}^1$

素因数の和:6005

約数の個数: 90

約数和(自身を含む): 74733126

約数和(自身を除く): 53201526

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 144, 150, 180, 200, 225, 240, 300, 360, 400, 450, 600, 720, 900, 1200, 1800, 3600, 5981, 11962, 17943, 23924, 29905, 35886, 47848, 53829, 59810, 71772, 89715, 95696, 107658, 119620, 143544, 149525, 179430, 215316, 239240, 269145, 287088, 299050, 358860, 430632, 448575, 478480, 538290, 598100, 717720, 861264, 897150, 1076580, 1196200, 1345725, 1435440, 1794300, 2153160, 2392400, 2691450, 3588600, 4306320, 5382900, 7177200, 10765800, 21531600]

約数ペア:

[(1, 21531600), (2, 10765800), (3, 7177200), (4, 5382900), (5, 4306320), (6, 3588600), (8, 2691450), (9, 2392400), (10, 2153160), (12, 1794300), (15, 1435440), (16, 1345725), (18, 1196200), (20, 1076580), (24, 897150), (25, 861264), (30, 717720), (36, 598100), (40, 538290), (45, 478480), (48, 448575), (50, 430632), (60, 358860), (72, 299050), (75, 287088), (80, 269145), (90, 239240), (100, 215316), (120, 179430), (144, 149525), (150, 143544), (180, 119620), (200, 107658), (225, 95696), (240, 89715), (300, 71772), (360, 59810), (400, 53829), (450, 47848), (600, 35886), (720, 29905), (900, 23924), (1200, 17943), (1800, 11962), (3600, 5981)]