18279240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{463}}^1$

素因数の和:531

約数の個数: 128

約数和(自身を含む): 64143360

約数和(自身を除く): 45864120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 188, 210, 235, 280, 282, 329, 376, 420, 463, 470, 564, 658, 705, 840, 926, 940, 987, 1128, 1316, 1389, 1410, 1645, 1852, 1880, 1974, 2315, 2632, 2778, 2820, 3241, 3290, 3704, 3948, 4630, 4935, 5556, 5640, 6482, 6580, 6945, 7896, 9260, 9723, 9870, 11112, 12964, 13160, 13890, 16205, 18520, 19446, 19740, 21761, 25928, 27780, 32410, 38892, 39480, 43522, 48615, 55560, 64820, 65283, 77784, 87044, 97230, 108805, 129640, 130566, 152327, 174088, 194460, 217610, 261132, 304654, 326415, 388920, 435220, 456981, 522264, 609308, 652830, 761635, 870440, 913962, 1218616, 1305660, 1523270, 1827924, 2284905, 2611320, 3046540, 3655848, 4569810, 6093080, 9139620, 18279240]

約数ペア:

[(1, 18279240), (2, 9139620), (3, 6093080), (4, 4569810), (5, 3655848), (6, 3046540), (7, 2611320), (8, 2284905), (10, 1827924), (12, 1523270), (14, 1305660), (15, 1218616), (20, 913962), (21, 870440), (24, 761635), (28, 652830), (30, 609308), (35, 522264), (40, 456981), (42, 435220), (47, 388920), (56, 326415), (60, 304654), (70, 261132), (84, 217610), (94, 194460), (105, 174088), (120, 152327), (140, 130566), (141, 129640), (168, 108805), (188, 97230), (210, 87044), (235, 77784), (280, 65283), (282, 64820), (329, 55560), (376, 48615), (420, 43522), (463, 39480), (470, 38892), (564, 32410), (658, 27780), (705, 25928), (840, 21761), (926, 19740), (940, 19446), (987, 18520), (1128, 16205), (1316, 13890), (1389, 13160), (1410, 12964), (1645, 11112), (1852, 9870), (1880, 9723), (1974, 9260), (2315, 7896), (2632, 6945), (2778, 6580), (2820, 6482), (3241, 5640), (3290, 5556), (3704, 4935), (3948, 4630)]