28487580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2539}}^1$

素因数の和:2579

約数の個数: 96

約数和(自身を含む): 92171520

約数和(自身を除く): 63683940

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 44, 51, 55, 60, 66, 68, 85, 102, 110, 132, 165, 170, 187, 204, 220, 255, 330, 340, 374, 510, 561, 660, 748, 935, 1020, 1122, 1870, 2244, 2539, 2805, 3740, 5078, 5610, 7617, 10156, 11220, 12695, 15234, 25390, 27929, 30468, 38085, 43163, 50780, 55858, 76170, 83787, 86326, 111716, 129489, 139645, 152340, 167574, 172652, 215815, 258978, 279290, 335148, 418935, 431630, 474793, 517956, 558580, 647445, 837870, 863260, 949586, 1294890, 1424379, 1675740, 1899172, 2373965, 2589780, 2848758, 4747930, 5697516, 7121895, 9495860, 14243790, 28487580]

約数ペア:

[(1, 28487580), (2, 14243790), (3, 9495860), (4, 7121895), (5, 5697516), (6, 4747930), (10, 2848758), (11, 2589780), (12, 2373965), (15, 1899172), (17, 1675740), (20, 1424379), (22, 1294890), (30, 949586), (33, 863260), (34, 837870), (44, 647445), (51, 558580), (55, 517956), (60, 474793), (66, 431630), (68, 418935), (85, 335148), (102, 279290), (110, 258978), (132, 215815), (165, 172652), (170, 167574), (187, 152340), (204, 139645), (220, 129489), (255, 111716), (330, 86326), (340, 83787), (374, 76170), (510, 55858), (561, 50780), (660, 43163), (748, 38085), (935, 30468), (1020, 27929), (1122, 25390), (1870, 15234), (2244, 12695), (2539, 11220), (2805, 10156), (3740, 7617), (5078, 5610)]