1520661660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3620623}}^1$

素因数の和:3620642

約数の個数: 48

約数和(自身を含む): 4866118656

約数和(自身を除く): 3345456996

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, 3620623, 7241246, 10861869, 14482492, 18103115, 21723738, 25344361, 36206230, 43447476, 50688722, 54309345, 72412460, 76033083, 101377444, 108618690, 126721805, 152066166, 217237380, 253443610, 304132332, 380165415, 506887220, 760330830, 1520661660]

約数ペア:

[(1, 1520661660), (2, 760330830), (3, 506887220), (4, 380165415), (5, 304132332), (6, 253443610), (7, 217237380), (10, 152066166), (12, 126721805), (14, 108618690), (15, 101377444), (20, 76033083), (21, 72412460), (28, 54309345), (30, 50688722), (35, 43447476), (42, 36206230), (60, 25344361), (70, 21723738), (84, 18103115), (105, 14482492), (140, 10861869), (210, 7241246), (420, 3620623)]