68193540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{829}}^1$

素因数の和:1301

約数の個数: 72

約数和(自身を含む): 207556440

約数和(自身を除く): 139362900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 457, 829, 914, 1371, 1658, 1828, 2285, 2487, 2742, 3316, 4113, 4145, 4570, 4974, 5484, 6855, 7461, 8226, 8290, 9140, 9948, 12435, 13710, 14922, 16452, 16580, 20565, 24870, 27420, 29844, 37305, 41130, 49740, 74610, 82260, 149220, 378853, 757706, 1136559, 1515412, 1894265, 2273118, 3409677, 3788530, 4546236, 5682795, 6819354, 7577060, 11365590, 13638708, 17048385, 22731180, 34096770, 68193540]

約数ペア:

[(1, 68193540), (2, 34096770), (3, 22731180), (4, 17048385), (5, 13638708), (6, 11365590), (9, 7577060), (10, 6819354), (12, 5682795), (15, 4546236), (18, 3788530), (20, 3409677), (30, 2273118), (36, 1894265), (45, 1515412), (60, 1136559), (90, 757706), (180, 378853), (457, 149220), (829, 82260), (914, 74610), (1371, 49740), (1658, 41130), (1828, 37305), (2285, 29844), (2487, 27420), (2742, 24870), (3316, 20565), (4113, 16580), (4145, 16452), (4570, 14922), (4974, 13710), (5484, 12435), (6855, 9948), (7461, 9140), (8226, 8290)]