68808520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{9199}}^1$

素因数の和:9238

約数の個数: 64

約数和(自身を含む): 178848000

約数和(自身を除く): 110039480

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480, 9199, 18398, 36796, 45995, 73592, 91990, 101189, 156383, 183980, 202378, 312766, 367960, 404756, 505945, 625532, 781915, 809512, 1011890, 1251064, 1563830, 1720213, 2023780, 3127660, 3440426, 4047560, 6255320, 6880852, 8601065, 13761704, 17202130, 34404260, 68808520]

約数ペア:

[(1, 68808520), (2, 34404260), (4, 17202130), (5, 13761704), (8, 8601065), (10, 6880852), (11, 6255320), (17, 4047560), (20, 3440426), (22, 3127660), (34, 2023780), (40, 1720213), (44, 1563830), (55, 1251064), (68, 1011890), (85, 809512), (88, 781915), (110, 625532), (136, 505945), (170, 404756), (187, 367960), (220, 312766), (340, 202378), (374, 183980), (440, 156383), (680, 101189), (748, 91990), (935, 73592), (1496, 45995), (1870, 36796), (3740, 18398), (7480, 9199)]