80765748

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:411

約数の個数: 120

約数和(自身を含む): 243936000

約数和(自身を除く): 163170252

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 149, 162, 189, 239, 252, 298, 324, 378, 447, 478, 567, 596, 717, 756, 894, 956, 1043, 1134, 1341, 1434, 1673, 1788, 2086, 2151, 2268, 2682, 2868, 3129, 3346, 4023, 4172, 4302, 5019, 5364, 6258, 6453, 6692, 8046, 8604, 9387, 10038, 12069, 12516, 12906, 15057, 16092, 18774, 19359, 20076, 24138, 25812, 28161, 30114, 35611, 37548, 38718, 45171, 48276, 56322, 60228, 71222, 77436, 84483, 90342, 106833, 112644, 135513, 142444, 168966, 180684, 213666, 249277, 271026, 320499, 337932, 427332, 498554, 542052, 640998, 747831, 961497, 997108, 1281996, 1495662, 1922994, 2243493, 2884491, 2991324, 3845988, 4486986, 5768982, 6730479, 8973972, 11537964, 13460958, 20191437, 26921916, 40382874, 80765748]

約数ペア:

[(1, 80765748), (2, 40382874), (3, 26921916), (4, 20191437), (6, 13460958), (7, 11537964), (9, 8973972), (12, 6730479), (14, 5768982), (18, 4486986), (21, 3845988), (27, 2991324), (28, 2884491), (36, 2243493), (42, 1922994), (54, 1495662), (63, 1281996), (81, 997108), (84, 961497), (108, 747831), (126, 640998), (149, 542052), (162, 498554), (189, 427332), (239, 337932), (252, 320499), (298, 271026), (324, 249277), (378, 213666), (447, 180684), (478, 168966), (567, 142444), (596, 135513), (717, 112644), (756, 106833), (894, 90342), (956, 84483), (1043, 77436), (1134, 71222), (1341, 60228), (1434, 56322), (1673, 48276), (1788, 45171), (2086, 38718), (2151, 37548), (2268, 35611), (2682, 30114), (2868, 28161), (3129, 25812), (3346, 24138), (4023, 20076), (4172, 19359), (4302, 18774), (5019, 16092), (5364, 15057), (6258, 12906), (6453, 12516), (6692, 12069), (8046, 10038), (8604, 9387)]