1509640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:142

約数の個数: 64

約数和(自身を含む): 3836160

約数和(自身を除く): 2326520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 73, 88, 94, 110, 146, 188, 220, 235, 292, 365, 376, 440, 470, 517, 584, 730, 803, 940, 1034, 1460, 1606, 1880, 2068, 2585, 2920, 3212, 3431, 4015, 4136, 5170, 6424, 6862, 8030, 10340, 13724, 16060, 17155, 20680, 27448, 32120, 34310, 37741, 68620, 75482, 137240, 150964, 188705, 301928, 377410, 754820, 1509640]

約数ペア:

[(1, 1509640), (2, 754820), (4, 377410), (5, 301928), (8, 188705), (10, 150964), (11, 137240), (20, 75482), (22, 68620), (40, 37741), (44, 34310), (47, 32120), (55, 27448), (73, 20680), (88, 17155), (94, 16060), (110, 13724), (146, 10340), (188, 8030), (220, 6862), (235, 6424), (292, 5170), (365, 4136), (376, 4015), (440, 3431), (470, 3212), (517, 2920), (584, 2585), (730, 2068), (803, 1880), (940, 1606), (1034, 1460)]