161082180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{127843}}^1$

素因数の和:127865

約数の個数: 72

約数和(自身を含む): 558422592

約数和(自身を除く): 397340412

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 127843, 255686, 383529, 511372, 639215, 767058, 894901, 1150587, 1278430, 1534116, 1789802, 1917645, 2301174, 2556860, 2684703, 3579604, 3835290, 4474505, 4602348, 5369406, 5752935, 7670580, 8054109, 8949010, 10738812, 11505870, 13423515, 16108218, 17898020, 23011740, 26847030, 32216436, 40270545, 53694060, 80541090, 161082180]

約数ペア:

[(1, 161082180), (2, 80541090), (3, 53694060), (4, 40270545), (5, 32216436), (6, 26847030), (7, 23011740), (9, 17898020), (10, 16108218), (12, 13423515), (14, 11505870), (15, 10738812), (18, 8949010), (20, 8054109), (21, 7670580), (28, 5752935), (30, 5369406), (35, 4602348), (36, 4474505), (42, 3835290), (45, 3579604), (60, 2684703), (63, 2556860), (70, 2301174), (84, 1917645), (90, 1789802), (105, 1534116), (126, 1278430), (140, 1150587), (180, 894901), (210, 767058), (252, 639215), (315, 511372), (420, 383529), (630, 255686), (1260, 127843)]