79252020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{709}}^1$

素因数の和:756

約数の個数: 144

約数和(自身を含む): 260507520

約数和(自身を除く): 181255500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 81, 90, 92, 108, 115, 135, 138, 162, 180, 207, 230, 243, 270, 276, 324, 345, 405, 414, 460, 486, 540, 621, 690, 709, 810, 828, 972, 1035, 1215, 1242, 1380, 1418, 1620, 1863, 2070, 2127, 2430, 2484, 2836, 3105, 3545, 3726, 4140, 4254, 4860, 5589, 6210, 6381, 7090, 7452, 8508, 9315, 10635, 11178, 12420, 12762, 14180, 16307, 18630, 19143, 21270, 22356, 25524, 27945, 31905, 32614, 37260, 38286, 42540, 48921, 55890, 57429, 63810, 65228, 76572, 81535, 95715, 97842, 111780, 114858, 127620, 146763, 163070, 172287, 191430, 195684, 229716, 244605, 287145, 293526, 326140, 344574, 382860, 440289, 489210, 574290, 587052, 689148, 733815, 861435, 880578, 978420, 1148580, 1320867, 1467630, 1722870, 1761156, 2201445, 2641734, 2935260, 3445740, 3962601, 4402890, 5283468, 6604335, 7925202, 8805780, 13208670, 15850404, 19813005, 26417340, 39626010, 79252020]

約数ペア:

[(1, 79252020), (2, 39626010), (3, 26417340), (4, 19813005), (5, 15850404), (6, 13208670), (9, 8805780), (10, 7925202), (12, 6604335), (15, 5283468), (18, 4402890), (20, 3962601), (23, 3445740), (27, 2935260), (30, 2641734), (36, 2201445), (45, 1761156), (46, 1722870), (54, 1467630), (60, 1320867), (69, 1148580), (81, 978420), (90, 880578), (92, 861435), (108, 733815), (115, 689148), (135, 587052), (138, 574290), (162, 489210), (180, 440289), (207, 382860), (230, 344574), (243, 326140), (270, 293526), (276, 287145), (324, 244605), (345, 229716), (405, 195684), (414, 191430), (460, 172287), (486, 163070), (540, 146763), (621, 127620), (690, 114858), (709, 111780), (810, 97842), (828, 95715), (972, 81535), (1035, 76572), (1215, 65228), (1242, 63810), (1380, 57429), (1418, 55890), (1620, 48921), (1863, 42540), (2070, 38286), (2127, 37260), (2430, 32614), (2484, 31905), (2836, 27945), (3105, 25524), (3545, 22356), (3726, 21270), (4140, 19143), (4254, 18630), (4860, 16307), (5589, 14180), (6210, 12762), (6381, 12420), (7090, 11178), (7452, 10635), (8508, 9315)]