28147020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3877}}^1$

素因数の和:3911

約数の個数: 72

約数和(自身を含む): 86650032

約数和(自身を除く): 58503012

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 3630, 3877, 7260, 7754, 11631, 15508, 19385, 23262, 38770, 42647, 46524, 58155, 77540, 85294, 116310, 127941, 170588, 213235, 232620, 255882, 426470, 469117, 511764, 639705, 852940, 938234, 1279410, 1407351, 1876468, 2345585, 2558820, 2814702, 4691170, 5629404, 7036755, 9382340, 14073510, 28147020]

約数ペア:

[(1, 28147020), (2, 14073510), (3, 9382340), (4, 7036755), (5, 5629404), (6, 4691170), (10, 2814702), (11, 2558820), (12, 2345585), (15, 1876468), (20, 1407351), (22, 1279410), (30, 938234), (33, 852940), (44, 639705), (55, 511764), (60, 469117), (66, 426470), (110, 255882), (121, 232620), (132, 213235), (165, 170588), (220, 127941), (242, 116310), (330, 85294), (363, 77540), (484, 58155), (605, 46524), (660, 42647), (726, 38770), (1210, 23262), (1452, 19385), (1815, 15508), (2420, 11631), (3630, 7754), (3877, 7260)]