31308060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{463}}^1$

素因数の和:512

約数の個数: 144

約数和(自身を含む): 106638336

約数和(自身を除く): 75330276

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, 463, 483, 490, 588, 644, 690, 735, 805, 926, 966, 980, 1127, 1380, 1389, 1470, 1610, 1852, 1932, 2254, 2315, 2415, 2778, 2940, 3220, 3241, 3381, 4508, 4630, 4830, 5556, 5635, 6482, 6762, 6945, 9260, 9660, 9723, 10649, 11270, 12964, 13524, 13890, 16205, 16905, 19446, 21298, 22540, 22687, 27780, 31947, 32410, 33810, 38892, 42596, 45374, 48615, 53245, 63894, 64820, 67620, 68061, 74543, 90748, 97230, 106490, 113435, 127788, 136122, 149086, 159735, 194460, 212980, 223629, 226870, 272244, 298172, 319470, 340305, 372715, 447258, 453740, 521801, 638940, 680610, 745430, 894516, 1043602, 1118145, 1361220, 1490860, 1565403, 2087204, 2236290, 2609005, 3130806, 4472580, 5218010, 6261612, 7827015, 10436020, 15654030, 31308060]

約数ペア:

[(1, 31308060), (2, 15654030), (3, 10436020), (4, 7827015), (5, 6261612), (6, 5218010), (7, 4472580), (10, 3130806), (12, 2609005), (14, 2236290), (15, 2087204), (20, 1565403), (21, 1490860), (23, 1361220), (28, 1118145), (30, 1043602), (35, 894516), (42, 745430), (46, 680610), (49, 638940), (60, 521801), (69, 453740), (70, 447258), (84, 372715), (92, 340305), (98, 319470), (105, 298172), (115, 272244), (138, 226870), (140, 223629), (147, 212980), (161, 194460), (196, 159735), (210, 149086), (230, 136122), (245, 127788), (276, 113435), (294, 106490), (322, 97230), (345, 90748), (420, 74543), (460, 68061), (463, 67620), (483, 64820), (490, 63894), (588, 53245), (644, 48615), (690, 45374), (735, 42596), (805, 38892), (926, 33810), (966, 32410), (980, 31947), (1127, 27780), (1380, 22687), (1389, 22540), (1470, 21298), (1610, 19446), (1852, 16905), (1932, 16205), (2254, 13890), (2315, 13524), (2415, 12964), (2778, 11270), (2940, 10649), (3220, 9723), (3241, 9660), (3381, 9260), (4508, 6945), (4630, 6762), (4830, 6482), (5556, 5635)]