64543780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{983}}^1$

素因数の和:1073

約数の個数: 72

約数和(自身を含む): 160187328

約数和(自身を除く): 95643548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 134, 140, 196, 245, 268, 335, 469, 490, 670, 938, 980, 983, 1340, 1876, 1966, 2345, 3283, 3932, 4690, 4915, 6566, 6881, 9380, 9830, 13132, 13762, 16415, 19660, 27524, 32830, 34405, 48167, 65660, 65861, 68810, 96334, 131722, 137620, 192668, 240835, 263444, 329305, 461027, 481670, 658610, 922054, 963340, 1317220, 1844108, 2305135, 3227189, 4610270, 6454378, 9220540, 12908756, 16135945, 32271890, 64543780]

約数ペア:

[(1, 64543780), (2, 32271890), (4, 16135945), (5, 12908756), (7, 9220540), (10, 6454378), (14, 4610270), (20, 3227189), (28, 2305135), (35, 1844108), (49, 1317220), (67, 963340), (70, 922054), (98, 658610), (134, 481670), (140, 461027), (196, 329305), (245, 263444), (268, 240835), (335, 192668), (469, 137620), (490, 131722), (670, 96334), (938, 68810), (980, 65861), (983, 65660), (1340, 48167), (1876, 34405), (1966, 32830), (2345, 27524), (3283, 19660), (3932, 16415), (4690, 13762), (4915, 13132), (6566, 9830), (6881, 9380)]