1990406089920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{4257371}}^1$

素因数の和:4257878

約数の個数: 112

約数和(自身を含む): 6332517289728

約数和(自身を除く): 4342111199808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 487, 960, 974, 1461, 1948, 2435, 2922, 3896, 4870, 5844, 7305, 7792, 9740, 11688, 14610, 15584, 19480, 23376, 29220, 31168, 38960, 46752, 58440, 77920, 93504, 116880, 155840, 233760, 467520, 4257371, 8514742, 12772113, 17029484, 21286855, 25544226, 34058968, 42573710, 51088452, 63860565, 68117936, 85147420, 102176904, 127721130, 136235872, 170294840, 204353808, 255442260, 272471744, 340589680, 408707616, 510884520, 681179360, 817415232, 1021769040, 1362358720, 2043538080, 2073339677, 4087076160, 4146679354, 6220019031, 8293358708, 10366698385, 12440038062, 16586717416, 20733396770, 24880076124, 31100095155, 33173434832, 41466793540, 49760152248, 62200190310, 66346869664, 82933587080, 99520304496, 124400380620, 132693739328, 165867174160, 199040608992, 248800761240, 331734348320, 398081217984, 497601522480, 663468696640, 995203044960, 1990406089920]

約数ペア:

[(1, 1990406089920), (2, 995203044960), (3, 663468696640), (4, 497601522480), (5, 398081217984), (6, 331734348320), (8, 248800761240), (10, 199040608992), (12, 165867174160), (15, 132693739328), (16, 124400380620), (20, 99520304496), (24, 82933587080), (30, 66346869664), (32, 62200190310), (40, 49760152248), (48, 41466793540), (60, 33173434832), (64, 31100095155), (80, 24880076124), (96, 20733396770), (120, 16586717416), (160, 12440038062), (192, 10366698385), (240, 8293358708), (320, 6220019031), (480, 4146679354), (487, 4087076160), (960, 2073339677), (974, 2043538080), (1461, 1362358720), (1948, 1021769040), (2435, 817415232), (2922, 681179360), (3896, 510884520), (4870, 408707616), (5844, 340589680), (7305, 272471744), (7792, 255442260), (9740, 204353808), (11688, 170294840), (14610, 136235872), (15584, 127721130), (19480, 102176904), (23376, 85147420), (29220, 68117936), (31168, 63860565), (38960, 51088452), (46752, 42573710), (58440, 34058968), (77920, 25544226), (93504, 21286855), (116880, 17029484), (155840, 12772113), (233760, 8514742), (467520, 4257371)]