64390760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4339}}^1$

素因数の和:4410

約数の個数: 64

約数和(自身を含む): 168739200

約数和(自身を除く): 104348440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1484, 1855, 2120, 2968, 3710, 4339, 7420, 8678, 14840, 17356, 21695, 30373, 34712, 43390, 60746, 86780, 121492, 151865, 173560, 229967, 242984, 303730, 459934, 607460, 919868, 1149835, 1214920, 1609769, 1839736, 2299670, 3219538, 4599340, 6439076, 8048845, 9198680, 12878152, 16097690, 32195380, 64390760]

約数ペア:

[(1, 64390760), (2, 32195380), (4, 16097690), (5, 12878152), (7, 9198680), (8, 8048845), (10, 6439076), (14, 4599340), (20, 3219538), (28, 2299670), (35, 1839736), (40, 1609769), (53, 1214920), (56, 1149835), (70, 919868), (106, 607460), (140, 459934), (212, 303730), (265, 242984), (280, 229967), (371, 173560), (424, 151865), (530, 121492), (742, 86780), (1060, 60746), (1484, 43390), (1855, 34712), (2120, 30373), (2968, 21695), (3710, 17356), (4339, 14840), (7420, 8678)]