15893920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:662

約数の個数: 96

約数和(自身を含む): 44851968

約数和(自身を除く): 28958048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 560, 617, 644, 736, 805, 920, 1120, 1234, 1288, 1610, 1840, 2468, 2576, 3085, 3220, 3680, 4319, 4936, 5152, 6170, 6440, 8638, 9872, 12340, 12880, 14191, 17276, 19744, 21595, 24680, 25760, 28382, 34552, 43190, 49360, 56764, 69104, 70955, 86380, 98720, 99337, 113528, 138208, 141910, 172760, 198674, 227056, 283820, 345520, 397348, 454112, 496685, 567640, 691040, 794696, 993370, 1135280, 1589392, 1986740, 2270560, 3178784, 3973480, 7946960, 15893920]

約数ペア:

[(1, 15893920), (2, 7946960), (4, 3973480), (5, 3178784), (7, 2270560), (8, 1986740), (10, 1589392), (14, 1135280), (16, 993370), (20, 794696), (23, 691040), (28, 567640), (32, 496685), (35, 454112), (40, 397348), (46, 345520), (56, 283820), (70, 227056), (80, 198674), (92, 172760), (112, 141910), (115, 138208), (140, 113528), (160, 99337), (161, 98720), (184, 86380), (224, 70955), (230, 69104), (280, 56764), (322, 49360), (368, 43190), (460, 34552), (560, 28382), (617, 25760), (644, 24680), (736, 21595), (805, 19744), (920, 17276), (1120, 14191), (1234, 12880), (1288, 12340), (1610, 9872), (1840, 8638), (2468, 6440), (2576, 6170), (3085, 5152), (3220, 4936), (3680, 4319)]