67011420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{991}}^1$

素因数の和:1040

約数の個数: 144

約数和(自身を含む): 227985408

約数和(自身を除く): 160973988

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 138, 140, 147, 161, 196, 210, 230, 245, 276, 294, 322, 345, 420, 460, 483, 490, 588, 644, 690, 735, 805, 966, 980, 991, 1127, 1380, 1470, 1610, 1932, 1982, 2254, 2415, 2940, 2973, 3220, 3381, 3964, 4508, 4830, 4955, 5635, 5946, 6762, 6937, 9660, 9910, 11270, 11892, 13524, 13874, 14865, 16905, 19820, 20811, 22540, 22793, 27748, 29730, 33810, 34685, 41622, 45586, 48559, 59460, 67620, 68379, 69370, 83244, 91172, 97118, 104055, 113965, 136758, 138740, 145677, 159551, 194236, 208110, 227930, 242795, 273516, 291354, 319102, 341895, 416220, 455860, 478653, 485590, 582708, 638204, 683790, 728385, 797755, 957306, 971180, 1116857, 1367580, 1456770, 1595510, 1914612, 2233714, 2393265, 2913540, 3191020, 3350571, 4467428, 4786530, 5584285, 6701142, 9573060, 11168570, 13402284, 16752855, 22337140, 33505710, 67011420]

約数ペア:

[(1, 67011420), (2, 33505710), (3, 22337140), (4, 16752855), (5, 13402284), (6, 11168570), (7, 9573060), (10, 6701142), (12, 5584285), (14, 4786530), (15, 4467428), (20, 3350571), (21, 3191020), (23, 2913540), (28, 2393265), (30, 2233714), (35, 1914612), (42, 1595510), (46, 1456770), (49, 1367580), (60, 1116857), (69, 971180), (70, 957306), (84, 797755), (92, 728385), (98, 683790), (105, 638204), (115, 582708), (138, 485590), (140, 478653), (147, 455860), (161, 416220), (196, 341895), (210, 319102), (230, 291354), (245, 273516), (276, 242795), (294, 227930), (322, 208110), (345, 194236), (420, 159551), (460, 145677), (483, 138740), (490, 136758), (588, 113965), (644, 104055), (690, 97118), (735, 91172), (805, 83244), (966, 69370), (980, 68379), (991, 67620), (1127, 59460), (1380, 48559), (1470, 45586), (1610, 41622), (1932, 34685), (1982, 33810), (2254, 29730), (2415, 27748), (2940, 22793), (2973, 22540), (3220, 20811), (3381, 19820), (3964, 16905), (4508, 14865), (4830, 13874), (4955, 13524), (5635, 11892), (5946, 11270), (6762, 9910), (6937, 9660)]