256712160

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2081}}^1$

素因数の和:2356

約数の個数: 96

約数和(自身を含む): 812179872

約数和(自身を除く): 555467712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 257, 480, 514, 771, 1028, 1285, 1542, 2056, 2081, 2570, 3084, 3855, 4112, 4162, 5140, 6168, 6243, 7710, 8224, 8324, 10280, 10405, 12336, 12486, 15420, 16648, 20560, 20810, 24672, 24972, 30840, 31215, 33296, 41120, 41620, 49944, 61680, 62430, 66592, 83240, 99888, 123360, 124860, 166480, 199776, 249720, 332960, 499440, 534817, 998880, 1069634, 1604451, 2139268, 2674085, 3208902, 4278536, 5348170, 6417804, 8022255, 8557072, 10696340, 12835608, 16044510, 17114144, 21392680, 25671216, 32089020, 42785360, 51342432, 64178040, 85570720, 128356080, 256712160]

約数ペア:

[(1, 256712160), (2, 128356080), (3, 85570720), (4, 64178040), (5, 51342432), (6, 42785360), (8, 32089020), (10, 25671216), (12, 21392680), (15, 17114144), (16, 16044510), (20, 12835608), (24, 10696340), (30, 8557072), (32, 8022255), (40, 6417804), (48, 5348170), (60, 4278536), (80, 3208902), (96, 2674085), (120, 2139268), (160, 1604451), (240, 1069634), (257, 998880), (480, 534817), (514, 499440), (771, 332960), (1028, 249720), (1285, 199776), (1542, 166480), (2056, 124860), (2081, 123360), (2570, 99888), (3084, 83240), (3855, 66592), (4112, 62430), (4162, 61680), (5140, 49944), (6168, 41620), (6243, 41120), (7710, 33296), (8224, 31215), (8324, 30840), (10280, 24972), (10405, 24672), (12336, 20810), (12486, 20560), (15420, 16648)]