8644240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:101

約数の個数: 120

約数和(自身を含む): 23748480

約数和(自身を除く): 15104240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 47, 55, 76, 80, 88, 94, 95, 110, 121, 152, 176, 188, 190, 209, 220, 235, 242, 304, 376, 380, 418, 440, 470, 484, 517, 605, 752, 760, 836, 880, 893, 940, 968, 1034, 1045, 1210, 1520, 1672, 1786, 1880, 1936, 2068, 2090, 2299, 2420, 2585, 3344, 3572, 3760, 4136, 4180, 4465, 4598, 4840, 5170, 5687, 7144, 8272, 8360, 8930, 9196, 9680, 9823, 10340, 11374, 11495, 14288, 16720, 17860, 18392, 19646, 20680, 22748, 22990, 28435, 35720, 36784, 39292, 41360, 45496, 45980, 49115, 56870, 71440, 78584, 90992, 91960, 98230, 108053, 113740, 157168, 183920, 196460, 216106, 227480, 392920, 432212, 454960, 540265, 785840, 864424, 1080530, 1728848, 2161060, 4322120, 8644240]

約数ペア:

[(1, 8644240), (2, 4322120), (4, 2161060), (5, 1728848), (8, 1080530), (10, 864424), (11, 785840), (16, 540265), (19, 454960), (20, 432212), (22, 392920), (38, 227480), (40, 216106), (44, 196460), (47, 183920), (55, 157168), (76, 113740), (80, 108053), (88, 98230), (94, 91960), (95, 90992), (110, 78584), (121, 71440), (152, 56870), (176, 49115), (188, 45980), (190, 45496), (209, 41360), (220, 39292), (235, 36784), (242, 35720), (304, 28435), (376, 22990), (380, 22748), (418, 20680), (440, 19646), (470, 18392), (484, 17860), (517, 16720), (605, 14288), (752, 11495), (760, 11374), (836, 10340), (880, 9823), (893, 9680), (940, 9196), (968, 8930), (1034, 8360), (1045, 8272), (1210, 7144), (1520, 5687), (1672, 5170), (1786, 4840), (1880, 4598), (1936, 4465), (2068, 4180), (2090, 4136), (2299, 3760), (2420, 3572), (2585, 3344)]