257595660

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{68147}}^1$

素因数の和:68172

約数の個数: 96

約数和(自身を含む): 915909120

約数和(自身を除く): 658313460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 68147, 136294, 204441, 272588, 340735, 408882, 477029, 613323, 681470, 817764, 954058, 1022205, 1226646, 1362940, 1431087, 1839969, 1908116, 2044410, 2385145, 2453292, 2862174, 3066615, 3679938, 4088820, 4293261, 4770290, 5724348, 6133230, 7155435, 7359876, 8586522, 9199845, 9540580, 12266460, 12879783, 14310870, 17173044, 18399690, 21466305, 25759566, 28621740, 36799380, 42932610, 51519132, 64398915, 85865220, 128797830, 257595660]

約数ペア:

[(1, 257595660), (2, 128797830), (3, 85865220), (4, 64398915), (5, 51519132), (6, 42932610), (7, 36799380), (9, 28621740), (10, 25759566), (12, 21466305), (14, 18399690), (15, 17173044), (18, 14310870), (20, 12879783), (21, 12266460), (27, 9540580), (28, 9199845), (30, 8586522), (35, 7359876), (36, 7155435), (42, 6133230), (45, 5724348), (54, 4770290), (60, 4293261), (63, 4088820), (70, 3679938), (84, 3066615), (90, 2862174), (105, 2453292), (108, 2385145), (126, 2044410), (135, 1908116), (140, 1839969), (180, 1431087), (189, 1362940), (210, 1226646), (252, 1022205), (270, 954058), (315, 817764), (378, 681470), (420, 613323), (540, 477029), (630, 408882), (756, 340735), (945, 272588), (1260, 204441), (1890, 136294), (3780, 68147)]