80114540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:759

約数の個数: 96

約数和(自身を含む): 200890368

約数和(自身を除く): 120775828

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 31, 34, 44, 55, 62, 68, 85, 110, 124, 155, 170, 187, 220, 310, 340, 341, 374, 527, 620, 682, 691, 748, 935, 1054, 1364, 1382, 1705, 1870, 2108, 2635, 2764, 3410, 3455, 3740, 5270, 5797, 6820, 6910, 7601, 10540, 11594, 11747, 13820, 15202, 21421, 23188, 23494, 28985, 30404, 38005, 42842, 46988, 57970, 58735, 76010, 85684, 107105, 115940, 117470, 129217, 152020, 214210, 234940, 235631, 258434, 364157, 428420, 471262, 516868, 646085, 728314, 942524, 1178155, 1292170, 1456628, 1820785, 2356310, 2584340, 3641570, 4005727, 4712620, 7283140, 8011454, 16022908, 20028635, 40057270, 80114540]

約数ペア:

[(1, 80114540), (2, 40057270), (4, 20028635), (5, 16022908), (10, 8011454), (11, 7283140), (17, 4712620), (20, 4005727), (22, 3641570), (31, 2584340), (34, 2356310), (44, 1820785), (55, 1456628), (62, 1292170), (68, 1178155), (85, 942524), (110, 728314), (124, 646085), (155, 516868), (170, 471262), (187, 428420), (220, 364157), (310, 258434), (340, 235631), (341, 234940), (374, 214210), (527, 152020), (620, 129217), (682, 117470), (691, 115940), (748, 107105), (935, 85684), (1054, 76010), (1364, 58735), (1382, 57970), (1705, 46988), (1870, 42842), (2108, 38005), (2635, 30404), (2764, 28985), (3410, 23494), (3455, 23188), (3740, 21421), (5270, 15202), (5797, 13820), (6820, 11747), (6910, 11594), (7601, 10540)]