154914440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{461}}^1$

素因数の和:774

約数の個数: 64

約数和(自身を含む): 361912320

約数和(自身を除く): 206997880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 271, 310, 461, 542, 620, 922, 1084, 1240, 1355, 1844, 2168, 2305, 2710, 3688, 4610, 5420, 8401, 9220, 10840, 14291, 16802, 18440, 28582, 33604, 42005, 57164, 67208, 71455, 84010, 114328, 124931, 142910, 168020, 249862, 285820, 336040, 499724, 571640, 624655, 999448, 1249310, 2498620, 3872861, 4997240, 7745722, 15491444, 19364305, 30982888, 38728610, 77457220, 154914440]

約数ペア:

[(1, 154914440), (2, 77457220), (4, 38728610), (5, 30982888), (8, 19364305), (10, 15491444), (20, 7745722), (31, 4997240), (40, 3872861), (62, 2498620), (124, 1249310), (155, 999448), (248, 624655), (271, 571640), (310, 499724), (461, 336040), (542, 285820), (620, 249862), (922, 168020), (1084, 142910), (1240, 124931), (1355, 114328), (1844, 84010), (2168, 71455), (2305, 67208), (2710, 57164), (3688, 42005), (4610, 33604), (5420, 28582), (8401, 18440), (9220, 16802), (10840, 14291)]