30768075

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 60617648

約数和(自身を除く): 29849573

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 67, 75, 117, 157, 195, 201, 225, 325, 335, 471, 585, 603, 785, 871, 975, 1005, 1413, 1675, 2041, 2355, 2613, 2925, 3015, 3925, 4355, 5025, 6123, 7065, 7839, 10205, 10519, 11775, 13065, 15075, 18369, 21775, 30615, 31557, 35325, 39195, 51025, 52595, 65325, 91845, 94671, 136747, 153075, 157785, 195975, 262975, 410241, 459225, 473355, 683735, 788925, 1230723, 2051205, 2366775, 3418675, 6153615, 10256025, 30768075]

約数ペア:

[(1, 30768075), (3, 10256025), (5, 6153615), (9, 3418675), (13, 2366775), (15, 2051205), (25, 1230723), (39, 788925), (45, 683735), (65, 473355), (67, 459225), (75, 410241), (117, 262975), (157, 195975), (195, 157785), (201, 153075), (225, 136747), (325, 94671), (335, 91845), (471, 65325), (585, 52595), (603, 51025), (785, 39195), (871, 35325), (975, 31557), (1005, 30615), (1413, 21775), (1675, 18369), (2041, 15075), (2355, 13065), (2613, 11775), (2925, 10519), (3015, 10205), (3925, 7839), (4355, 7065), (5025, 6123)]