81618030

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1$

素因数の和:392

約数の個数: 160

約数和(自身を含む): 247351104

約数和(自身を除く): 165733074

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 23, 26, 27, 30, 39, 45, 46, 54, 65, 69, 78, 81, 90, 115, 117, 130, 135, 138, 162, 195, 207, 230, 234, 270, 299, 337, 345, 351, 390, 405, 414, 585, 598, 621, 674, 690, 702, 810, 897, 1011, 1035, 1053, 1170, 1242, 1495, 1685, 1755, 1794, 1863, 2022, 2070, 2106, 2691, 2990, 3033, 3105, 3370, 3510, 3726, 4381, 4485, 5055, 5265, 5382, 6066, 6210, 7751, 8073, 8762, 8970, 9099, 9315, 10110, 10530, 13143, 13455, 15165, 15502, 16146, 18198, 18630, 21905, 23253, 24219, 26286, 26910, 27297, 30330, 38755, 39429, 40365, 43810, 45495, 46506, 48438, 54594, 65715, 69759, 77510, 78858, 80730, 90990, 100763, 116265, 118287, 121095, 131430, 136485, 139518, 197145, 201526, 209277, 232530, 236574, 242190, 272970, 302289, 348795, 354861, 394290, 418554, 503815, 591435, 604578, 627831, 697590, 709722, 906867, 1007630, 1046385, 1182870, 1255662, 1511445, 1774305, 1813734, 2092770, 2720601, 3022890, 3139155, 3548610, 4534335, 5441202, 6278310, 8161803, 9068670, 13603005, 16323606, 27206010, 40809015, 81618030]

約数ペア:

[(1, 81618030), (2, 40809015), (3, 27206010), (5, 16323606), (6, 13603005), (9, 9068670), (10, 8161803), (13, 6278310), (15, 5441202), (18, 4534335), (23, 3548610), (26, 3139155), (27, 3022890), (30, 2720601), (39, 2092770), (45, 1813734), (46, 1774305), (54, 1511445), (65, 1255662), (69, 1182870), (78, 1046385), (81, 1007630), (90, 906867), (115, 709722), (117, 697590), (130, 627831), (135, 604578), (138, 591435), (162, 503815), (195, 418554), (207, 394290), (230, 354861), (234, 348795), (270, 302289), (299, 272970), (337, 242190), (345, 236574), (351, 232530), (390, 209277), (405, 201526), (414, 197145), (585, 139518), (598, 136485), (621, 131430), (674, 121095), (690, 118287), (702, 116265), (810, 100763), (897, 90990), (1011, 80730), (1035, 78858), (1053, 77510), (1170, 69759), (1242, 65715), (1495, 54594), (1685, 48438), (1755, 46506), (1794, 45495), (1863, 43810), (2022, 40365), (2070, 39429), (2106, 38755), (2691, 30330), (2990, 27297), (3033, 26910), (3105, 26286), (3370, 24219), (3510, 23253), (3726, 21905), (4381, 18630), (4485, 18198), (5055, 16146), (5265, 15502), (5382, 15165), (6066, 13455), (6210, 13143), (7751, 10530), (8073, 10110), (8762, 9315), (8970, 9099)]