81508734

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:167

約数の個数: 128

約数和(自身を含む): 204595200

約数和(自身を除く): 123086466

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 29, 31, 46, 54, 58, 62, 69, 73, 87, 93, 138, 146, 174, 186, 207, 219, 261, 279, 414, 438, 522, 558, 621, 657, 667, 713, 783, 837, 899, 1242, 1314, 1334, 1426, 1566, 1674, 1679, 1798, 1971, 2001, 2117, 2139, 2263, 2697, 3358, 3942, 4002, 4234, 4278, 4526, 5037, 5394, 6003, 6351, 6417, 6789, 8091, 10074, 12006, 12702, 12834, 13578, 15111, 16182, 18009, 19053, 19251, 20367, 20677, 24273, 30222, 36018, 38106, 38502, 40734, 41354, 45333, 48546, 48691, 52049, 57159, 61101, 62031, 65627, 90666, 97382, 104098, 114318, 122202, 124062, 131254, 146073, 156147, 186093, 196881, 292146, 312294, 372186, 393762, 438219, 468441, 558279, 590643, 876438, 936882, 1116558, 1181286, 1314657, 1405323, 1509421, 1771929, 2629314, 2810646, 3018842, 3543858, 4528263, 9056526, 13584789, 27169578, 40754367, 81508734]

約数ペア:

[(1, 81508734), (2, 40754367), (3, 27169578), (6, 13584789), (9, 9056526), (18, 4528263), (23, 3543858), (27, 3018842), (29, 2810646), (31, 2629314), (46, 1771929), (54, 1509421), (58, 1405323), (62, 1314657), (69, 1181286), (73, 1116558), (87, 936882), (93, 876438), (138, 590643), (146, 558279), (174, 468441), (186, 438219), (207, 393762), (219, 372186), (261, 312294), (279, 292146), (414, 196881), (438, 186093), (522, 156147), (558, 146073), (621, 131254), (657, 124062), (667, 122202), (713, 114318), (783, 104098), (837, 97382), (899, 90666), (1242, 65627), (1314, 62031), (1334, 61101), (1426, 57159), (1566, 52049), (1674, 48691), (1679, 48546), (1798, 45333), (1971, 41354), (2001, 40734), (2117, 38502), (2139, 38106), (2263, 36018), (2697, 30222), (3358, 24273), (3942, 20677), (4002, 20367), (4234, 19251), (4278, 19053), (4526, 18009), (5037, 16182), (5394, 15111), (6003, 13578), (6351, 12834), (6417, 12702), (6789, 12006), (8091, 10074)]