161736680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{1609}}^1$

素因数の和:1986

約数の個数: 64

約数和(自身を含む): 417312000

約数和(自身を除く): 255575320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 359, 718, 1436, 1609, 1795, 2513, 2872, 3218, 3590, 5026, 6436, 7180, 8045, 10052, 11263, 12565, 12872, 14360, 16090, 20104, 22526, 25130, 32180, 45052, 50260, 56315, 64360, 90104, 100520, 112630, 225260, 450520, 577631, 1155262, 2310524, 2888155, 4043417, 4621048, 5776310, 8086834, 11552620, 16173668, 20217085, 23105240, 32347336, 40434170, 80868340, 161736680]

約数ペア:

[(1, 161736680), (2, 80868340), (4, 40434170), (5, 32347336), (7, 23105240), (8, 20217085), (10, 16173668), (14, 11552620), (20, 8086834), (28, 5776310), (35, 4621048), (40, 4043417), (56, 2888155), (70, 2310524), (140, 1155262), (280, 577631), (359, 450520), (718, 225260), (1436, 112630), (1609, 100520), (1795, 90104), (2513, 64360), (2872, 56315), (3218, 50260), (3590, 45052), (5026, 32180), (6436, 25130), (7180, 22526), (8045, 20104), (10052, 16090), (11263, 14360), (12565, 12872)]