16381980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1319}}^1$

素因数の和:1360

約数の個数: 96

約数和(自身を含む): 53222400

約数和(自身を除く): 36840420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 90, 92, 108, 115, 135, 138, 180, 207, 230, 270, 276, 345, 414, 460, 540, 621, 690, 828, 1035, 1242, 1319, 1380, 2070, 2484, 2638, 3105, 3957, 4140, 5276, 6210, 6595, 7914, 11871, 12420, 13190, 15828, 19785, 23742, 26380, 30337, 35613, 39570, 47484, 59355, 60674, 71226, 79140, 91011, 118710, 121348, 142452, 151685, 178065, 182022, 237420, 273033, 303370, 356130, 364044, 455055, 546066, 606740, 712260, 819099, 910110, 1092132, 1365165, 1638198, 1820220, 2730330, 3276396, 4095495, 5460660, 8190990, 16381980]

約数ペア:

[(1, 16381980), (2, 8190990), (3, 5460660), (4, 4095495), (5, 3276396), (6, 2730330), (9, 1820220), (10, 1638198), (12, 1365165), (15, 1092132), (18, 910110), (20, 819099), (23, 712260), (27, 606740), (30, 546066), (36, 455055), (45, 364044), (46, 356130), (54, 303370), (60, 273033), (69, 237420), (90, 182022), (92, 178065), (108, 151685), (115, 142452), (135, 121348), (138, 118710), (180, 91011), (207, 79140), (230, 71226), (270, 60674), (276, 59355), (345, 47484), (414, 39570), (460, 35613), (540, 30337), (621, 26380), (690, 23742), (828, 19785), (1035, 15828), (1242, 13190), (1319, 12420), (1380, 11871), (2070, 7914), (2484, 6595), (2638, 6210), (3105, 5276), (3957, 4140)]