87020780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{467}}^1$

素因数の和:516

約数の個数: 96

約数和(自身を含む): 230211072

約数和(自身を除く): 143190292

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 467, 484, 605, 770, 847, 934, 1210, 1331, 1540, 1694, 1868, 2335, 2420, 2662, 3269, 3388, 4235, 4670, 5137, 5324, 6538, 6655, 8470, 9317, 9340, 10274, 13076, 13310, 16345, 16940, 18634, 20548, 25685, 26620, 32690, 35959, 37268, 46585, 51370, 56507, 65380, 71918, 93170, 102740, 113014, 143836, 179795, 186340, 226028, 282535, 359590, 395549, 565070, 621577, 719180, 791098, 1130140, 1243154, 1582196, 1977745, 2486308, 3107885, 3955490, 4351039, 6215770, 7910980, 8702078, 12431540, 17404156, 21755195, 43510390, 87020780]

約数ペア:

[(1, 87020780), (2, 43510390), (4, 21755195), (5, 17404156), (7, 12431540), (10, 8702078), (11, 7910980), (14, 6215770), (20, 4351039), (22, 3955490), (28, 3107885), (35, 2486308), (44, 1977745), (55, 1582196), (70, 1243154), (77, 1130140), (110, 791098), (121, 719180), (140, 621577), (154, 565070), (220, 395549), (242, 359590), (308, 282535), (385, 226028), (467, 186340), (484, 179795), (605, 143836), (770, 113014), (847, 102740), (934, 93170), (1210, 71918), (1331, 65380), (1540, 56507), (1694, 51370), (1868, 46585), (2335, 37268), (2420, 35959), (2662, 32690), (3269, 26620), (3388, 25685), (4235, 20548), (4670, 18634), (5137, 16940), (5324, 16345), (6538, 13310), (6655, 13076), (8470, 10274), (9317, 9340)]