8781240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{433}}^1$

素因数の和:473

約数の個数: 96

約数和(自身を含む): 28591920

約数和(自身を除く): 19810680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 169, 195, 260, 312, 338, 390, 433, 507, 520, 676, 780, 845, 866, 1014, 1299, 1352, 1560, 1690, 1732, 2028, 2165, 2535, 2598, 3380, 3464, 4056, 4330, 5070, 5196, 5629, 6495, 6760, 8660, 10140, 10392, 11258, 12990, 16887, 17320, 20280, 22516, 25980, 28145, 33774, 45032, 51960, 56290, 67548, 73177, 84435, 112580, 135096, 146354, 168870, 219531, 225160, 292708, 337740, 365885, 439062, 585416, 675480, 731770, 878124, 1097655, 1463540, 1756248, 2195310, 2927080, 4390620, 8781240]

約数ペア:

[(1, 8781240), (2, 4390620), (3, 2927080), (4, 2195310), (5, 1756248), (6, 1463540), (8, 1097655), (10, 878124), (12, 731770), (13, 675480), (15, 585416), (20, 439062), (24, 365885), (26, 337740), (30, 292708), (39, 225160), (40, 219531), (52, 168870), (60, 146354), (65, 135096), (78, 112580), (104, 84435), (120, 73177), (130, 67548), (156, 56290), (169, 51960), (195, 45032), (260, 33774), (312, 28145), (338, 25980), (390, 22516), (433, 20280), (507, 17320), (520, 16887), (676, 12990), (780, 11258), (845, 10392), (866, 10140), (1014, 8660), (1299, 6760), (1352, 6495), (1560, 5629), (1690, 5196), (1732, 5070), (2028, 4330), (2165, 4056), (2535, 3464), (2598, 3380)]