217327360

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5477}}^1$

素因数の和:5529

約数の個数: 72

約数和(自身を含む): 537457536

約数和(自身を除く): 320130176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 5477, 7936, 9920, 10954, 19840, 21908, 27385, 39680, 43816, 54770, 87632, 109540, 169787, 175264, 219080, 339574, 350528, 438160, 679148, 701056, 848935, 876320, 1358296, 1402112, 1697870, 1752640, 2716592, 3395740, 3505280, 5433184, 6791480, 7010560, 10866368, 13582960, 21732736, 27165920, 43465472, 54331840, 108663680, 217327360]

約数ペア:

[(1, 217327360), (2, 108663680), (4, 54331840), (5, 43465472), (8, 27165920), (10, 21732736), (16, 13582960), (20, 10866368), (31, 7010560), (32, 6791480), (40, 5433184), (62, 3505280), (64, 3395740), (80, 2716592), (124, 1752640), (128, 1697870), (155, 1402112), (160, 1358296), (248, 876320), (256, 848935), (310, 701056), (320, 679148), (496, 438160), (620, 350528), (640, 339574), (992, 219080), (1240, 175264), (1280, 169787), (1984, 109540), (2480, 87632), (3968, 54770), (4960, 43816), (5477, 39680), (7936, 27385), (9920, 21908), (10954, 19840)]