81620616

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1523}}^1$

素因数の和:1579

約数の個数: 128

約数和(自身を含む): 263347200

約数和(自身を除く): 181726584

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 29, 33, 42, 44, 56, 58, 66, 77, 84, 87, 88, 116, 132, 154, 168, 174, 203, 231, 232, 264, 308, 319, 348, 406, 462, 609, 616, 638, 696, 812, 924, 957, 1218, 1276, 1523, 1624, 1848, 1914, 2233, 2436, 2552, 3046, 3828, 4466, 4569, 4872, 6092, 6699, 7656, 8932, 9138, 10661, 12184, 13398, 16753, 17864, 18276, 21322, 26796, 31983, 33506, 36552, 42644, 44167, 50259, 53592, 63966, 67012, 85288, 88334, 100518, 117271, 127932, 132501, 134024, 176668, 201036, 234542, 255864, 265002, 309169, 351813, 353336, 402072, 469084, 485837, 530004, 618338, 703626, 927507, 938168, 971674, 1060008, 1236676, 1407252, 1457511, 1855014, 1943348, 2473352, 2814504, 2915022, 3400859, 3710028, 3886696, 5830044, 6801718, 7420056, 10202577, 11660088, 13603436, 20405154, 27206872, 40810308, 81620616]

約数ペア:

[(1, 81620616), (2, 40810308), (3, 27206872), (4, 20405154), (6, 13603436), (7, 11660088), (8, 10202577), (11, 7420056), (12, 6801718), (14, 5830044), (21, 3886696), (22, 3710028), (24, 3400859), (28, 2915022), (29, 2814504), (33, 2473352), (42, 1943348), (44, 1855014), (56, 1457511), (58, 1407252), (66, 1236676), (77, 1060008), (84, 971674), (87, 938168), (88, 927507), (116, 703626), (132, 618338), (154, 530004), (168, 485837), (174, 469084), (203, 402072), (231, 353336), (232, 351813), (264, 309169), (308, 265002), (319, 255864), (348, 234542), (406, 201036), (462, 176668), (609, 134024), (616, 132501), (638, 127932), (696, 117271), (812, 100518), (924, 88334), (957, 85288), (1218, 67012), (1276, 63966), (1523, 53592), (1624, 50259), (1848, 44167), (1914, 42644), (2233, 36552), (2436, 33506), (2552, 31983), (3046, 26796), (3828, 21322), (4466, 18276), (4569, 17864), (4872, 16753), (6092, 13398), (6699, 12184), (7656, 10661), (8932, 9138)]