81342768

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2137}}^1$

素因数の和:2222

約数の個数: 80

約数和(自身を含む): 230117216

約数和(自身を除く): 148774448

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 61, 78, 104, 122, 156, 183, 208, 244, 312, 366, 488, 624, 732, 793, 976, 1464, 1586, 2137, 2379, 2928, 3172, 4274, 4758, 6344, 6411, 8548, 9516, 12688, 12822, 17096, 19032, 25644, 27781, 34192, 38064, 51288, 55562, 83343, 102576, 111124, 130357, 166686, 222248, 260714, 333372, 391071, 444496, 521428, 666744, 782142, 1042856, 1333488, 1564284, 1694641, 2085712, 3128568, 3389282, 5083923, 6257136, 6778564, 10167846, 13557128, 20335692, 27114256, 40671384, 81342768]

約数ペア:

[(1, 81342768), (2, 40671384), (3, 27114256), (4, 20335692), (6, 13557128), (8, 10167846), (12, 6778564), (13, 6257136), (16, 5083923), (24, 3389282), (26, 3128568), (39, 2085712), (48, 1694641), (52, 1564284), (61, 1333488), (78, 1042856), (104, 782142), (122, 666744), (156, 521428), (183, 444496), (208, 391071), (244, 333372), (312, 260714), (366, 222248), (488, 166686), (624, 130357), (732, 111124), (793, 102576), (976, 83343), (1464, 55562), (1586, 51288), (2137, 38064), (2379, 34192), (2928, 27781), (3172, 25644), (4274, 19032), (4758, 17096), (6344, 12822), (6411, 12688), (8548, 9516)]