64493940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{153557}}^1$

素因数の和:153576

約数の個数: 48

約数和(自身を含む): 206381952

約数和(自身を除く): 141888012

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, 153557, 307114, 460671, 614228, 767785, 921342, 1074899, 1535570, 1842684, 2149798, 2303355, 3071140, 3224697, 4299596, 4606710, 5374495, 6449394, 9213420, 10748990, 12898788, 16123485, 21497980, 32246970, 64493940]

約数ペア:

[(1, 64493940), (2, 32246970), (3, 21497980), (4, 16123485), (5, 12898788), (6, 10748990), (7, 9213420), (10, 6449394), (12, 5374495), (14, 4606710), (15, 4299596), (20, 3224697), (21, 3071140), (28, 2303355), (30, 2149798), (35, 1842684), (42, 1535570), (60, 1074899), (70, 921342), (84, 767785), (105, 614228), (140, 460671), (210, 307114), (420, 153557)]