156605820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{372871}}^1$

素因数の和:372890

約数の個数: 48

約数和(自身を含む): 501139968

約数和(自身を除く): 344534148

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, 372871, 745742, 1118613, 1491484, 1864355, 2237226, 2610097, 3728710, 4474452, 5220194, 5593065, 7457420, 7830291, 10440388, 11186130, 13050485, 15660582, 22372260, 26100970, 31321164, 39151455, 52201940, 78302910, 156605820]

約数ペア:

[(1, 156605820), (2, 78302910), (3, 52201940), (4, 39151455), (5, 31321164), (6, 26100970), (7, 22372260), (10, 15660582), (12, 13050485), (14, 11186130), (15, 10440388), (20, 7830291), (21, 7457420), (28, 5593065), (30, 5220194), (35, 4474452), (42, 3728710), (60, 2610097), (70, 2237226), (84, 1864355), (105, 1491484), (140, 1118613), (210, 745742), (420, 372871)]