10821520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:212

約数の個数: 80

約数和(自身を含む): 27252720

約数和(自身を除く): 16431200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 73, 80, 85, 109, 136, 146, 170, 218, 272, 292, 340, 365, 436, 545, 584, 680, 730, 872, 1090, 1168, 1241, 1360, 1460, 1744, 1853, 2180, 2482, 2920, 3706, 4360, 4964, 5840, 6205, 7412, 7957, 8720, 9265, 9928, 12410, 14824, 15914, 18530, 19856, 24820, 29648, 31828, 37060, 39785, 49640, 63656, 74120, 79570, 99280, 127312, 135269, 148240, 159140, 270538, 318280, 541076, 636560, 676345, 1082152, 1352690, 2164304, 2705380, 5410760, 10821520]

約数ペア:

[(1, 10821520), (2, 5410760), (4, 2705380), (5, 2164304), (8, 1352690), (10, 1082152), (16, 676345), (17, 636560), (20, 541076), (34, 318280), (40, 270538), (68, 159140), (73, 148240), (80, 135269), (85, 127312), (109, 99280), (136, 79570), (146, 74120), (170, 63656), (218, 49640), (272, 39785), (292, 37060), (340, 31828), (365, 29648), (436, 24820), (545, 19856), (584, 18530), (680, 15914), (730, 14824), (872, 12410), (1090, 9928), (1168, 9265), (1241, 8720), (1360, 7957), (1460, 7412), (1744, 6205), (1853, 5840), (2180, 4964), (2482, 4360), (2920, 3706)]