257969040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3571}}^1$

素因数の和:3637

約数の個数: 160

約数和(自身を含む): 935463936

約数和(自身を除く): 677494896

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 43, 48, 56, 60, 70, 80, 84, 86, 105, 112, 120, 129, 140, 168, 172, 210, 215, 240, 258, 280, 301, 336, 344, 420, 430, 516, 560, 602, 645, 688, 840, 860, 903, 1032, 1204, 1290, 1505, 1680, 1720, 1806, 2064, 2408, 2580, 3010, 3440, 3571, 3612, 4515, 4816, 5160, 6020, 7142, 7224, 9030, 10320, 10713, 12040, 14284, 14448, 17855, 18060, 21426, 24080, 24997, 28568, 35710, 36120, 42852, 49994, 53565, 57136, 71420, 72240, 74991, 85704, 99988, 107130, 124985, 142840, 149982, 153553, 171408, 199976, 214260, 249970, 285680, 299964, 307106, 374955, 399952, 428520, 460659, 499940, 599928, 614212, 749910, 767765, 857040, 921318, 999880, 1074871, 1199856, 1228424, 1499820, 1535530, 1842636, 1999760, 2149742, 2303295, 2456848, 2999640, 3071060, 3224613, 3685272, 4299484, 4606590, 5374355, 5999280, 6142120, 6449226, 7370544, 8598968, 9213180, 10748710, 12284240, 12898452, 16123065, 17197936, 18426360, 21497420, 25796904, 32246130, 36852720, 42994840, 51593808, 64492260, 85989680, 128984520, 257969040]

約数ペア:

[(1, 257969040), (2, 128984520), (3, 85989680), (4, 64492260), (5, 51593808), (6, 42994840), (7, 36852720), (8, 32246130), (10, 25796904), (12, 21497420), (14, 18426360), (15, 17197936), (16, 16123065), (20, 12898452), (21, 12284240), (24, 10748710), (28, 9213180), (30, 8598968), (35, 7370544), (40, 6449226), (42, 6142120), (43, 5999280), (48, 5374355), (56, 4606590), (60, 4299484), (70, 3685272), (80, 3224613), (84, 3071060), (86, 2999640), (105, 2456848), (112, 2303295), (120, 2149742), (129, 1999760), (140, 1842636), (168, 1535530), (172, 1499820), (210, 1228424), (215, 1199856), (240, 1074871), (258, 999880), (280, 921318), (301, 857040), (336, 767765), (344, 749910), (420, 614212), (430, 599928), (516, 499940), (560, 460659), (602, 428520), (645, 399952), (688, 374955), (840, 307106), (860, 299964), (903, 285680), (1032, 249970), (1204, 214260), (1290, 199976), (1505, 171408), (1680, 153553), (1720, 149982), (1806, 142840), (2064, 124985), (2408, 107130), (2580, 99988), (3010, 85704), (3440, 74991), (3571, 72240), (3612, 71420), (4515, 57136), (4816, 53565), (5160, 49994), (6020, 42852), (7142, 36120), (7224, 35710), (9030, 28568), (10320, 24997), (10713, 24080), (12040, 21426), (14284, 18060), (14448, 17855)]