64554420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{153701}}^1$

素因数の和:153720

約数の個数: 48

約数和(自身を含む): 206575488

約数和(自身を除く): 142021068

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, 153701, 307402, 461103, 614804, 768505, 922206, 1075907, 1537010, 1844412, 2151814, 2305515, 3074020, 3227721, 4303628, 4611030, 5379535, 6455442, 9222060, 10759070, 12910884, 16138605, 21518140, 32277210, 64554420]

約数ペア:

[(1, 64554420), (2, 32277210), (3, 21518140), (4, 16138605), (5, 12910884), (6, 10759070), (7, 9222060), (10, 6455442), (12, 5379535), (14, 4611030), (15, 4303628), (20, 3227721), (21, 3074020), (28, 2305515), (30, 2151814), (35, 1844412), (42, 1537010), (60, 1075907), (70, 922206), (84, 768505), (105, 614804), (140, 461103), (210, 307402), (420, 153701)]