21147718560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{557693}}^1$

素因数の和:557790

約数の個数: 96

約数和(自身を含む): 67458666240

約数和(自身を除く): 46310947680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 79, 80, 96, 120, 158, 160, 237, 240, 316, 395, 474, 480, 632, 790, 948, 1185, 1264, 1580, 1896, 2370, 2528, 3160, 3792, 4740, 6320, 7584, 9480, 12640, 18960, 37920, 557693, 1115386, 1673079, 2230772, 2788465, 3346158, 4461544, 5576930, 6692316, 8365395, 8923088, 11153860, 13384632, 16730790, 17846176, 22307720, 26769264, 33461580, 44057747, 44615440, 53538528, 66923160, 88115494, 89230880, 132173241, 133846320, 176230988, 220288735, 264346482, 267692640, 352461976, 440577470, 528692964, 660866205, 704923952, 881154940, 1057385928, 1321732410, 1409847904, 1762309880, 2114771856, 2643464820, 3524619760, 4229543712, 5286929640, 7049239520, 10573859280, 21147718560]

約数ペア:

[(1, 21147718560), (2, 10573859280), (3, 7049239520), (4, 5286929640), (5, 4229543712), (6, 3524619760), (8, 2643464820), (10, 2114771856), (12, 1762309880), (15, 1409847904), (16, 1321732410), (20, 1057385928), (24, 881154940), (30, 704923952), (32, 660866205), (40, 528692964), (48, 440577470), (60, 352461976), (79, 267692640), (80, 264346482), (96, 220288735), (120, 176230988), (158, 133846320), (160, 132173241), (237, 89230880), (240, 88115494), (316, 66923160), (395, 53538528), (474, 44615440), (480, 44057747), (632, 33461580), (790, 26769264), (948, 22307720), (1185, 17846176), (1264, 16730790), (1580, 13384632), (1896, 11153860), (2370, 8923088), (2528, 8365395), (3160, 6692316), (3792, 5576930), (4740, 4461544), (6320, 3346158), (7584, 2788465), (9480, 2230772), (12640, 1673079), (18960, 1115386), (37920, 557693)]