641220120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{57457}}^1$

素因数の和:57505

約数の個数: 96

約数和(自身を含む): 2151227520

約数和(自身を除く): 1510007400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1860, 2232, 2790, 3720, 5580, 11160, 57457, 114914, 172371, 229828, 287285, 344742, 459656, 517113, 574570, 689484, 861855, 1034226, 1149140, 1378968, 1723710, 1781167, 2068452, 2298280, 2585565, 3447420, 3562334, 4136904, 5171130, 5343501, 6894840, 7124668, 8905835, 10342260, 10687002, 14249336, 16030503, 17811670, 20684520, 21374004, 26717505, 32061006, 35623340, 42748008, 53435010, 64122012, 71246680, 80152515, 106870020, 128244024, 160305030, 213740040, 320610060, 641220120]

約数ペア:

[(1, 641220120), (2, 320610060), (3, 213740040), (4, 160305030), (5, 128244024), (6, 106870020), (8, 80152515), (9, 71246680), (10, 64122012), (12, 53435010), (15, 42748008), (18, 35623340), (20, 32061006), (24, 26717505), (30, 21374004), (31, 20684520), (36, 17811670), (40, 16030503), (45, 14249336), (60, 10687002), (62, 10342260), (72, 8905835), (90, 7124668), (93, 6894840), (120, 5343501), (124, 5171130), (155, 4136904), (180, 3562334), (186, 3447420), (248, 2585565), (279, 2298280), (310, 2068452), (360, 1781167), (372, 1723710), (465, 1378968), (558, 1149140), (620, 1034226), (744, 861855), (930, 689484), (1116, 574570), (1240, 517113), (1395, 459656), (1860, 344742), (2232, 287285), (2790, 229828), (3720, 172371), (5580, 114914), (11160, 57457)]