138538680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{23561}}^1$

素因数の和:23589

約数の個数: 96

約数和(自身を含む): 483492240

約数和(自身を除く): 344953560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 23561, 47122, 70683, 94244, 117805, 141366, 164927, 188488, 235610, 282732, 329854, 353415, 471220, 494781, 565464, 659708, 706830, 824635, 942440, 989562, 1154489, 1319416, 1413660, 1649270, 1979124, 2308978, 2473905, 2827320, 3298540, 3463467, 3958248, 4617956, 4947810, 5772445, 6597080, 6926934, 9235912, 9895620, 11544890, 13853868, 17317335, 19791240, 23089780, 27707736, 34634670, 46179560, 69269340, 138538680]

約数ペア:

[(1, 138538680), (2, 69269340), (3, 46179560), (4, 34634670), (5, 27707736), (6, 23089780), (7, 19791240), (8, 17317335), (10, 13853868), (12, 11544890), (14, 9895620), (15, 9235912), (20, 6926934), (21, 6597080), (24, 5772445), (28, 4947810), (30, 4617956), (35, 3958248), (40, 3463467), (42, 3298540), (49, 2827320), (56, 2473905), (60, 2308978), (70, 1979124), (84, 1649270), (98, 1413660), (105, 1319416), (120, 1154489), (140, 989562), (147, 942440), (168, 824635), (196, 706830), (210, 659708), (245, 565464), (280, 494781), (294, 471220), (392, 353415), (420, 329854), (490, 282732), (588, 235610), (735, 188488), (840, 164927), (980, 141366), (1176, 117805), (1470, 94244), (1960, 70683), (2940, 47122), (5880, 23561)]