30178680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{971}}^1$

素因数の和:1029

約数の個数: 128

約数和(自身を含む): 106375680

約数和(自身を除く): 76197000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 420, 444, 518, 555, 740, 777, 840, 888, 971, 1036, 1110, 1295, 1480, 1554, 1942, 2072, 2220, 2590, 2913, 3108, 3884, 3885, 4440, 4855, 5180, 5826, 6216, 6797, 7768, 7770, 9710, 10360, 11652, 13594, 14565, 15540, 19420, 20391, 23304, 27188, 29130, 31080, 33985, 35927, 38840, 40782, 54376, 58260, 67970, 71854, 81564, 101955, 107781, 116520, 135940, 143708, 163128, 179635, 203910, 215562, 251489, 271880, 287416, 359270, 407820, 431124, 502978, 538905, 718540, 754467, 815640, 862248, 1005956, 1077810, 1257445, 1437080, 1508934, 2011912, 2155620, 2514890, 3017868, 3772335, 4311240, 5029780, 6035736, 7544670, 10059560, 15089340, 30178680]

約数ペア:

[(1, 30178680), (2, 15089340), (3, 10059560), (4, 7544670), (5, 6035736), (6, 5029780), (7, 4311240), (8, 3772335), (10, 3017868), (12, 2514890), (14, 2155620), (15, 2011912), (20, 1508934), (21, 1437080), (24, 1257445), (28, 1077810), (30, 1005956), (35, 862248), (37, 815640), (40, 754467), (42, 718540), (56, 538905), (60, 502978), (70, 431124), (74, 407820), (84, 359270), (105, 287416), (111, 271880), (120, 251489), (140, 215562), (148, 203910), (168, 179635), (185, 163128), (210, 143708), (222, 135940), (259, 116520), (280, 107781), (296, 101955), (370, 81564), (420, 71854), (444, 67970), (518, 58260), (555, 54376), (740, 40782), (777, 38840), (840, 35927), (888, 33985), (971, 31080), (1036, 29130), (1110, 27188), (1295, 23304), (1480, 20391), (1554, 19420), (1942, 15540), (2072, 14565), (2220, 13594), (2590, 11652), (2913, 10360), (3108, 9710), (3884, 7770), (3885, 7768), (4440, 6797), (4855, 6216), (5180, 5826)]