1978374960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{63901}}^1$

素因数の和:63963

約数の個数: 120

約数和(自身を含む): 6798661584

約数和(自身を除く): 4820286624

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 258, 344, 360, 387, 430, 516, 645, 688, 720, 774, 860, 1032, 1290, 1548, 1720, 1935, 2064, 2580, 3096, 3440, 3870, 5160, 6192, 7740, 10320, 15480, 30960, 63901, 127802, 191703, 255604, 319505, 383406, 511208, 575109, 639010, 766812, 958515, 1022416, 1150218, 1278020, 1533624, 1917030, 2300436, 2556040, 2747743, 2875545, 3067248, 3834060, 4600872, 5112080, 5495486, 5751090, 7668120, 8243229, 9201744, 10990972, 11502180, 13738715, 15336240, 16486458, 21981944, 23004360, 24729687, 27477430, 32972916, 41216145, 43963888, 46008720, 49459374, 54954860, 65945832, 82432290, 98918748, 109909720, 123648435, 131891664, 164864580, 197837496, 219819440, 247296870, 329729160, 395674992, 494593740, 659458320, 989187480, 1978374960]

約数ペア:

[(1, 1978374960), (2, 989187480), (3, 659458320), (4, 494593740), (5, 395674992), (6, 329729160), (8, 247296870), (9, 219819440), (10, 197837496), (12, 164864580), (15, 131891664), (16, 123648435), (18, 109909720), (20, 98918748), (24, 82432290), (30, 65945832), (36, 54954860), (40, 49459374), (43, 46008720), (45, 43963888), (48, 41216145), (60, 32972916), (72, 27477430), (80, 24729687), (86, 23004360), (90, 21981944), (120, 16486458), (129, 15336240), (144, 13738715), (172, 11502180), (180, 10990972), (215, 9201744), (240, 8243229), (258, 7668120), (344, 5751090), (360, 5495486), (387, 5112080), (430, 4600872), (516, 3834060), (645, 3067248), (688, 2875545), (720, 2747743), (774, 2556040), (860, 2300436), (1032, 1917030), (1290, 1533624), (1548, 1278020), (1720, 1150218), (1935, 1022416), (2064, 958515), (2580, 766812), (3096, 639010), (3440, 575109), (3870, 511208), (5160, 383406), (6192, 319505), (7740, 255604), (10320, 191703), (15480, 127802), (30960, 63901)]