256464240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{34471}}^1$

素因数の和:34518

約数の個数: 80

約数和(自身を含む): 820709376

約数和(自身を除く): 564245136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 34471, 68942, 103413, 137884, 172355, 206826, 275768, 344710, 413652, 517065, 551536, 689420, 827304, 1034130, 1068601, 1378840, 1654608, 2068260, 2137202, 2757680, 3205803, 4136520, 4274404, 5343005, 6411606, 8273040, 8548808, 10686010, 12823212, 16029015, 17097616, 21372020, 25646424, 32058030, 42744040, 51292848, 64116060, 85488080, 128232120, 256464240]

約数ペア:

[(1, 256464240), (2, 128232120), (3, 85488080), (4, 64116060), (5, 51292848), (6, 42744040), (8, 32058030), (10, 25646424), (12, 21372020), (15, 17097616), (16, 16029015), (20, 12823212), (24, 10686010), (30, 8548808), (31, 8273040), (40, 6411606), (48, 5343005), (60, 4274404), (62, 4136520), (80, 3205803), (93, 2757680), (120, 2137202), (124, 2068260), (155, 1654608), (186, 1378840), (240, 1068601), (248, 1034130), (310, 827304), (372, 689420), (465, 551536), (496, 517065), (620, 413652), (744, 344710), (930, 275768), (1240, 206826), (1488, 172355), (1860, 137884), (2480, 103413), (3720, 68942), (7440, 34471)]