256227120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1489}}^1$

素因数の和:1747

約数の個数: 120

約数和(自身を含む): 864676800

約数和(自身を除く): 608449680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 239, 240, 360, 478, 717, 720, 956, 1195, 1434, 1489, 1912, 2151, 2390, 2868, 2978, 3585, 3824, 4302, 4467, 4780, 5736, 5956, 7170, 7445, 8604, 8934, 9560, 10755, 11472, 11912, 13401, 14340, 14890, 17208, 17868, 19120, 21510, 22335, 23824, 26802, 28680, 29780, 34416, 35736, 43020, 44670, 53604, 57360, 59560, 67005, 71472, 86040, 89340, 107208, 119120, 134010, 172080, 178680, 214416, 268020, 355871, 357360, 536040, 711742, 1067613, 1072080, 1423484, 1779355, 2135226, 2846968, 3202839, 3558710, 4270452, 5338065, 5693936, 6405678, 7117420, 8540904, 10676130, 12811356, 14234840, 16014195, 17081808, 21352260, 25622712, 28469680, 32028390, 42704520, 51245424, 64056780, 85409040, 128113560, 256227120]

約数ペア:

[(1, 256227120), (2, 128113560), (3, 85409040), (4, 64056780), (5, 51245424), (6, 42704520), (8, 32028390), (9, 28469680), (10, 25622712), (12, 21352260), (15, 17081808), (16, 16014195), (18, 14234840), (20, 12811356), (24, 10676130), (30, 8540904), (36, 7117420), (40, 6405678), (45, 5693936), (48, 5338065), (60, 4270452), (72, 3558710), (80, 3202839), (90, 2846968), (120, 2135226), (144, 1779355), (180, 1423484), (239, 1072080), (240, 1067613), (360, 711742), (478, 536040), (717, 357360), (720, 355871), (956, 268020), (1195, 214416), (1434, 178680), (1489, 172080), (1912, 134010), (2151, 119120), (2390, 107208), (2868, 89340), (2978, 86040), (3585, 71472), (3824, 67005), (4302, 59560), (4467, 57360), (4780, 53604), (5736, 44670), (5956, 43020), (7170, 35736), (7445, 34416), (8604, 29780), (8934, 28680), (9560, 26802), (10755, 23824), (11472, 22335), (11912, 21510), (13401, 19120), (14340, 17868), (14890, 17208)]