68398680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{761}}^1$

素因数の和:889

約数の個数: 128

約数和(自身を含む): 237012480

約数和(自身を除く): 168613800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 107, 120, 140, 168, 210, 214, 280, 321, 420, 428, 535, 642, 749, 761, 840, 856, 1070, 1284, 1498, 1522, 1605, 2140, 2247, 2283, 2568, 2996, 3044, 3210, 3745, 3805, 4280, 4494, 4566, 5327, 5992, 6088, 6420, 7490, 7610, 8988, 9132, 10654, 11235, 11415, 12840, 14980, 15220, 15981, 17976, 18264, 21308, 22470, 22830, 26635, 29960, 30440, 31962, 42616, 44940, 45660, 53270, 63924, 79905, 81427, 89880, 91320, 106540, 127848, 159810, 162854, 213080, 244281, 319620, 325708, 407135, 488562, 569989, 639240, 651416, 814270, 977124, 1139978, 1221405, 1628540, 1709967, 1954248, 2279956, 2442810, 2849945, 3257080, 3419934, 4559912, 4885620, 5699890, 6839868, 8549835, 9771240, 11399780, 13679736, 17099670, 22799560, 34199340, 68398680]

約数ペア:

[(1, 68398680), (2, 34199340), (3, 22799560), (4, 17099670), (5, 13679736), (6, 11399780), (7, 9771240), (8, 8549835), (10, 6839868), (12, 5699890), (14, 4885620), (15, 4559912), (20, 3419934), (21, 3257080), (24, 2849945), (28, 2442810), (30, 2279956), (35, 1954248), (40, 1709967), (42, 1628540), (56, 1221405), (60, 1139978), (70, 977124), (84, 814270), (105, 651416), (107, 639240), (120, 569989), (140, 488562), (168, 407135), (210, 325708), (214, 319620), (280, 244281), (321, 213080), (420, 162854), (428, 159810), (535, 127848), (642, 106540), (749, 91320), (761, 89880), (840, 81427), (856, 79905), (1070, 63924), (1284, 53270), (1498, 45660), (1522, 44940), (1605, 42616), (2140, 31962), (2247, 30440), (2283, 29960), (2568, 26635), (2996, 22830), (3044, 22470), (3210, 21308), (3745, 18264), (3805, 17976), (4280, 15981), (4494, 15220), (4566, 14980), (5327, 12840), (5992, 11415), (6088, 11235), (6420, 10654), (7490, 9132), (7610, 8988)]