65045820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{154871}}^1$

素因数の和:154890

約数の個数: 48

約数和(自身を含む): 208147968

約数和(自身を除く): 143102148

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, 154871, 309742, 464613, 619484, 774355, 929226, 1084097, 1548710, 1858452, 2168194, 2323065, 3097420, 3252291, 4336388, 4646130, 5420485, 6504582, 9292260, 10840970, 13009164, 16261455, 21681940, 32522910, 65045820]

約数ペア:

[(1, 65045820), (2, 32522910), (3, 21681940), (4, 16261455), (5, 13009164), (6, 10840970), (7, 9292260), (10, 6504582), (12, 5420485), (14, 4646130), (15, 4336388), (20, 3252291), (21, 3097420), (28, 2323065), (30, 2168194), (35, 1858452), (42, 1548710), (60, 1084097), (70, 929226), (84, 774355), (105, 619484), (140, 464613), (210, 309742), (420, 154871)]