68316780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1223}}^1$

素因数の和:1268

約数の個数: 144

約数和(自身を含む): 234420480

約数和(自身を除く): 166103700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1223, 1330, 1470, 1596, 1862, 1995, 2446, 2660, 2793, 2940, 3669, 3724, 3990, 4655, 4892, 5586, 6115, 7338, 7980, 8561, 9310, 11172, 12230, 13965, 14676, 17122, 18345, 18620, 23237, 24460, 25683, 27930, 34244, 36690, 42805, 46474, 51366, 55860, 59927, 69711, 73380, 85610, 92948, 102732, 116185, 119854, 128415, 139422, 162659, 171220, 179781, 232370, 239708, 256830, 278844, 299635, 325318, 348555, 359562, 464740, 487977, 513660, 599270, 650636, 697110, 719124, 813295, 898905, 975954, 1138613, 1198540, 1394220, 1626590, 1797810, 1951908, 2277226, 2439885, 3253180, 3415839, 3595620, 4554452, 4879770, 5693065, 6831678, 9759540, 11386130, 13663356, 17079195, 22772260, 34158390, 68316780]

約数ペア:

[(1, 68316780), (2, 34158390), (3, 22772260), (4, 17079195), (5, 13663356), (6, 11386130), (7, 9759540), (10, 6831678), (12, 5693065), (14, 4879770), (15, 4554452), (19, 3595620), (20, 3415839), (21, 3253180), (28, 2439885), (30, 2277226), (35, 1951908), (38, 1797810), (42, 1626590), (49, 1394220), (57, 1198540), (60, 1138613), (70, 975954), (76, 898905), (84, 813295), (95, 719124), (98, 697110), (105, 650636), (114, 599270), (133, 513660), (140, 487977), (147, 464740), (190, 359562), (196, 348555), (210, 325318), (228, 299635), (245, 278844), (266, 256830), (285, 239708), (294, 232370), (380, 179781), (399, 171220), (420, 162659), (490, 139422), (532, 128415), (570, 119854), (588, 116185), (665, 102732), (735, 92948), (798, 85610), (931, 73380), (980, 69711), (1140, 59927), (1223, 55860), (1330, 51366), (1470, 46474), (1596, 42805), (1862, 36690), (1995, 34244), (2446, 27930), (2660, 25683), (2793, 24460), (2940, 23237), (3669, 18620), (3724, 18345), (3990, 17122), (4655, 14676), (4892, 13965), (5586, 12230), (6115, 11172), (7338, 9310), (7980, 8561)]