64561140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{51239}}^1$

素因数の和:51261

約数の個数: 72

約数和(自身を含む): 223816320

約数和(自身を除く): 159255180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 51239, 102478, 153717, 204956, 256195, 307434, 358673, 461151, 512390, 614868, 717346, 768585, 922302, 1024780, 1076019, 1434692, 1537170, 1793365, 1844604, 2152038, 2305755, 3074340, 3228057, 3586730, 4304076, 4611510, 5380095, 6456114, 7173460, 9223020, 10760190, 12912228, 16140285, 21520380, 32280570, 64561140]

約数ペア:

[(1, 64561140), (2, 32280570), (3, 21520380), (4, 16140285), (5, 12912228), (6, 10760190), (7, 9223020), (9, 7173460), (10, 6456114), (12, 5380095), (14, 4611510), (15, 4304076), (18, 3586730), (20, 3228057), (21, 3074340), (28, 2305755), (30, 2152038), (35, 1844604), (36, 1793365), (42, 1537170), (45, 1434692), (60, 1076019), (63, 1024780), (70, 922302), (84, 768585), (90, 717346), (105, 614868), (126, 512390), (140, 461151), (180, 358673), (210, 307434), (252, 256195), (315, 204956), (420, 153717), (630, 102478), (1260, 51239)]