81307116

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 239016960

約数和(自身を除く): 157709844

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 33, 36, 44, 46, 66, 69, 79, 92, 99, 113, 132, 138, 158, 198, 207, 226, 237, 253, 276, 316, 339, 396, 414, 452, 474, 506, 678, 711, 759, 828, 869, 948, 1012, 1017, 1243, 1356, 1422, 1518, 1738, 1817, 2034, 2277, 2486, 2599, 2607, 2844, 3036, 3476, 3634, 3729, 4068, 4554, 4972, 5198, 5214, 5451, 7268, 7458, 7797, 7821, 8927, 9108, 10396, 10428, 10902, 11187, 14916, 15594, 15642, 16353, 17854, 19987, 21804, 22374, 23391, 26781, 28589, 31188, 31284, 32706, 35708, 39974, 44748, 46782, 53562, 57178, 59961, 65412, 79948, 80343, 85767, 93564, 98197, 107124, 114356, 119922, 160686, 171534, 179883, 196394, 205321, 239844, 257301, 294591, 321372, 343068, 359766, 392788, 410642, 514602, 589182, 615963, 719532, 821284, 883773, 1029204, 1178364, 1231926, 1767546, 1847889, 2258531, 2463852, 3535092, 3695778, 4517062, 6775593, 7391556, 9034124, 13551186, 20326779, 27102372, 40653558, 81307116]

約数ペア:

[(1, 81307116), (2, 40653558), (3, 27102372), (4, 20326779), (6, 13551186), (9, 9034124), (11, 7391556), (12, 6775593), (18, 4517062), (22, 3695778), (23, 3535092), (33, 2463852), (36, 2258531), (44, 1847889), (46, 1767546), (66, 1231926), (69, 1178364), (79, 1029204), (92, 883773), (99, 821284), (113, 719532), (132, 615963), (138, 589182), (158, 514602), (198, 410642), (207, 392788), (226, 359766), (237, 343068), (253, 321372), (276, 294591), (316, 257301), (339, 239844), (396, 205321), (414, 196394), (452, 179883), (474, 171534), (506, 160686), (678, 119922), (711, 114356), (759, 107124), (828, 98197), (869, 93564), (948, 85767), (1012, 80343), (1017, 79948), (1243, 65412), (1356, 59961), (1422, 57178), (1518, 53562), (1738, 46782), (1817, 44748), (2034, 39974), (2277, 35708), (2486, 32706), (2599, 31284), (2607, 31188), (2844, 28589), (3036, 26781), (3476, 23391), (3634, 22374), (3729, 21804), (4068, 19987), (4554, 17854), (4972, 16353), (5198, 15642), (5214, 15594), (5451, 14916), (7268, 11187), (7458, 10902), (7797, 10428), (7821, 10396), (8927, 9108)]