221707440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4337}}^1$

素因数の和:4427

約数の個数: 120

約数和(自身を含む): 755228448

約数和(自身を除く): 533521008

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 142, 144, 180, 213, 240, 284, 355, 360, 426, 568, 639, 710, 720, 852, 1065, 1136, 1278, 1420, 1704, 2130, 2556, 2840, 3195, 3408, 4260, 4337, 5112, 5680, 6390, 8520, 8674, 10224, 12780, 13011, 17040, 17348, 21685, 25560, 26022, 34696, 39033, 43370, 51120, 52044, 65055, 69392, 78066, 86740, 104088, 130110, 156132, 173480, 195165, 208176, 260220, 307927, 312264, 346960, 390330, 520440, 615854, 624528, 780660, 923781, 1040880, 1231708, 1539635, 1561320, 1847562, 2463416, 2771343, 3079270, 3122640, 3695124, 4618905, 4926832, 5542686, 6158540, 7390248, 9237810, 11085372, 12317080, 13856715, 14780496, 18475620, 22170744, 24634160, 27713430, 36951240, 44341488, 55426860, 73902480, 110853720, 221707440]

約数ペア:

[(1, 221707440), (2, 110853720), (3, 73902480), (4, 55426860), (5, 44341488), (6, 36951240), (8, 27713430), (9, 24634160), (10, 22170744), (12, 18475620), (15, 14780496), (16, 13856715), (18, 12317080), (20, 11085372), (24, 9237810), (30, 7390248), (36, 6158540), (40, 5542686), (45, 4926832), (48, 4618905), (60, 3695124), (71, 3122640), (72, 3079270), (80, 2771343), (90, 2463416), (120, 1847562), (142, 1561320), (144, 1539635), (180, 1231708), (213, 1040880), (240, 923781), (284, 780660), (355, 624528), (360, 615854), (426, 520440), (568, 390330), (639, 346960), (710, 312264), (720, 307927), (852, 260220), (1065, 208176), (1136, 195165), (1278, 173480), (1420, 156132), (1704, 130110), (2130, 104088), (2556, 86740), (2840, 78066), (3195, 69392), (3408, 65055), (4260, 52044), (4337, 51120), (5112, 43370), (5680, 39033), (6390, 34696), (8520, 26022), (8674, 25560), (10224, 21685), (12780, 17348), (13011, 17040)]