81888570

素因数分解:

$2^1\times 3^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:311

約数の個数: 112

約数和(自身を含む): 226644480

約数和(自身を除く): 144755910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 47, 54, 81, 90, 94, 135, 141, 162, 235, 239, 243, 270, 282, 405, 423, 470, 478, 486, 705, 717, 729, 810, 846, 1195, 1215, 1269, 1410, 1434, 1458, 2115, 2151, 2390, 2430, 2538, 3585, 3645, 3807, 4230, 4302, 6345, 6453, 7170, 7290, 7614, 10755, 11233, 11421, 12690, 12906, 19035, 19359, 21510, 22466, 22842, 32265, 33699, 34263, 38070, 38718, 56165, 57105, 58077, 64530, 67398, 68526, 96795, 101097, 112330, 114210, 116154, 168495, 171315, 174231, 193590, 202194, 290385, 303291, 336990, 342630, 348462, 505485, 580770, 606582, 871155, 909873, 1010970, 1516455, 1742310, 1819746, 2729619, 3032910, 4549365, 5459238, 8188857, 9098730, 13648095, 16377714, 27296190, 40944285, 81888570]

約数ペア:

[(1, 81888570), (2, 40944285), (3, 27296190), (5, 16377714), (6, 13648095), (9, 9098730), (10, 8188857), (15, 5459238), (18, 4549365), (27, 3032910), (30, 2729619), (45, 1819746), (47, 1742310), (54, 1516455), (81, 1010970), (90, 909873), (94, 871155), (135, 606582), (141, 580770), (162, 505485), (235, 348462), (239, 342630), (243, 336990), (270, 303291), (282, 290385), (405, 202194), (423, 193590), (470, 174231), (478, 171315), (486, 168495), (705, 116154), (717, 114210), (729, 112330), (810, 101097), (846, 96795), (1195, 68526), (1215, 67398), (1269, 64530), (1410, 58077), (1434, 57105), (1458, 56165), (2115, 38718), (2151, 38070), (2390, 34263), (2430, 33699), (2538, 32265), (3585, 22842), (3645, 22466), (3807, 21510), (4230, 19359), (4302, 19035), (6345, 12906), (6453, 12690), (7170, 11421), (7290, 11233), (7614, 10755)]