64807260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{154303}}^1$

素因数の和:154322

約数の個数: 48

約数和(自身を含む): 207384576

約数和(自身を除く): 142577316

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 154303, 308606, 462909, 617212, 771515, 925818, 1080121, 1543030, 1851636, 2160242, 2314545, 3086060, 3240363, 4320484, 4629090, 5400605, 6480726, 9258180, 10801210, 12961452, 16201815, 21602420, 32403630, 64807260]

約数ペア:

[(1, 64807260), (2, 32403630), (3, 21602420), (4, 16201815), (5, 12961452), (6, 10801210), (7, 9258180), (10, 6480726), (12, 5400605), (14, 4629090), (15, 4320484), (20, 3240363), (21, 3086060), (28, 2314545), (30, 2160242), (35, 1851636), (42, 1543030), (60, 1080121), (70, 925818), (84, 771515), (105, 617212), (140, 462909), (210, 308606), (420, 154303)]