81860576

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:161

約数の個数: 144

約数和(自身を含む): 206324496

約数和(自身を除く): 124463920

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 37, 49, 56, 68, 74, 83, 98, 112, 119, 136, 148, 166, 196, 224, 238, 259, 272, 296, 332, 392, 476, 518, 544, 581, 592, 629, 664, 784, 833, 952, 1036, 1162, 1184, 1258, 1328, 1411, 1568, 1666, 1813, 1904, 2072, 2324, 2516, 2656, 2822, 3071, 3332, 3626, 3808, 4067, 4144, 4403, 4648, 5032, 5644, 6142, 6664, 7252, 8134, 8288, 8806, 9296, 9877, 10064, 11288, 12284, 13328, 14504, 16268, 17612, 18592, 19754, 20128, 21497, 22576, 24568, 26656, 29008, 30821, 32536, 35224, 39508, 42994, 45152, 49136, 52207, 58016, 61642, 65072, 69139, 70448, 79016, 85988, 98272, 104414, 123284, 130144, 138278, 140896, 150479, 158032, 171976, 208828, 246568, 276556, 300958, 316064, 343952, 365449, 417656, 493136, 553112, 601916, 687904, 730898, 835312, 986272, 1106224, 1203832, 1461796, 1670624, 2212448, 2407664, 2558143, 2923592, 4815328, 5116286, 5847184, 10232572, 11694368, 20465144, 40930288, 81860576]

約数ペア:

[(1, 81860576), (2, 40930288), (4, 20465144), (7, 11694368), (8, 10232572), (14, 5847184), (16, 5116286), (17, 4815328), (28, 2923592), (32, 2558143), (34, 2407664), (37, 2212448), (49, 1670624), (56, 1461796), (68, 1203832), (74, 1106224), (83, 986272), (98, 835312), (112, 730898), (119, 687904), (136, 601916), (148, 553112), (166, 493136), (196, 417656), (224, 365449), (238, 343952), (259, 316064), (272, 300958), (296, 276556), (332, 246568), (392, 208828), (476, 171976), (518, 158032), (544, 150479), (581, 140896), (592, 138278), (629, 130144), (664, 123284), (784, 104414), (833, 98272), (952, 85988), (1036, 79016), (1162, 70448), (1184, 69139), (1258, 65072), (1328, 61642), (1411, 58016), (1568, 52207), (1666, 49136), (1813, 45152), (1904, 42994), (2072, 39508), (2324, 35224), (2516, 32536), (2656, 30821), (2822, 29008), (3071, 26656), (3332, 24568), (3626, 22576), (3808, 21497), (4067, 20128), (4144, 19754), (4403, 18592), (4648, 17612), (5032, 16268), (5644, 14504), (6142, 13328), (6664, 12284), (7252, 11288), (8134, 10064), (8288, 9877), (8806, 9296)]