128561580

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{3779}}^1$

素因数の和:3810

約数の個数: 144

約数和(自身を含む): 462309120

約数和(自身を除く): 333747540

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, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 945, 972, 1134, 1215, 1260, 1620, 1701, 1890, 2268, 2430, 2835, 3402, 3779, 3780, 4860, 5670, 6804, 7558, 8505, 11337, 11340, 15116, 17010, 18895, 22674, 26453, 34011, 34020, 37790, 45348, 52906, 56685, 68022, 75580, 79359, 102033, 105812, 113370, 132265, 136044, 158718, 170055, 204066, 226740, 238077, 264530, 306099, 317436, 340110, 396795, 408132, 476154, 510165, 529060, 612198, 680220, 714231, 793590, 918297, 952308, 1020330, 1190385, 1224396, 1428462, 1530495, 1587180, 1836594, 2040660, 2142693, 2380770, 2856924, 3060990, 3571155, 3673188, 4285386, 4591485, 4761540, 6121980, 6428079, 7142310, 8570772, 9182970, 10713465, 12856158, 14284620, 18365940, 21426930, 25712316, 32140395, 42853860, 64280790, 128561580]

約数ペア:

[(1, 128561580), (2, 64280790), (3, 42853860), (4, 32140395), (5, 25712316), (6, 21426930), (7, 18365940), (9, 14284620), (10, 12856158), (12, 10713465), (14, 9182970), (15, 8570772), (18, 7142310), (20, 6428079), (21, 6121980), (27, 4761540), (28, 4591485), (30, 4285386), (35, 3673188), (36, 3571155), (42, 3060990), (45, 2856924), (54, 2380770), (60, 2142693), (63, 2040660), (70, 1836594), (81, 1587180), (84, 1530495), (90, 1428462), (105, 1224396), (108, 1190385), (126, 1020330), (135, 952308), (140, 918297), (162, 793590), (180, 714231), (189, 680220), (210, 612198), (243, 529060), (252, 510165), (270, 476154), (315, 408132), (324, 396795), (378, 340110), (405, 317436), (420, 306099), (486, 264530), (540, 238077), (567, 226740), (630, 204066), (756, 170055), (810, 158718), (945, 136044), (972, 132265), (1134, 113370), (1215, 105812), (1260, 102033), (1620, 79359), (1701, 75580), (1890, 68022), (2268, 56685), (2430, 52906), (2835, 45348), (3402, 37790), (3779, 34020), (3780, 34011), (4860, 26453), (5670, 22674), (6804, 18895), (7558, 17010), (8505, 15116), (11337, 11340)]