15946840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{337}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 44534880

約数和(自身を除く): 28588040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 169, 182, 260, 280, 337, 338, 364, 455, 520, 674, 676, 728, 845, 910, 1183, 1348, 1352, 1685, 1690, 1820, 2359, 2366, 2696, 3370, 3380, 3640, 4381, 4718, 4732, 5915, 6740, 6760, 8762, 9436, 9464, 11795, 11830, 13480, 17524, 18872, 21905, 23590, 23660, 30667, 35048, 43810, 47180, 47320, 56953, 61334, 87620, 94360, 113906, 122668, 153335, 175240, 227812, 245336, 284765, 306670, 398671, 455624, 569530, 613340, 797342, 1139060, 1226680, 1594684, 1993355, 2278120, 3189368, 3986710, 7973420, 15946840]

約数ペア:

[(1, 15946840), (2, 7973420), (4, 3986710), (5, 3189368), (7, 2278120), (8, 1993355), (10, 1594684), (13, 1226680), (14, 1139060), (20, 797342), (26, 613340), (28, 569530), (35, 455624), (40, 398671), (52, 306670), (56, 284765), (65, 245336), (70, 227812), (91, 175240), (104, 153335), (130, 122668), (140, 113906), (169, 94360), (182, 87620), (260, 61334), (280, 56953), (337, 47320), (338, 47180), (364, 43810), (455, 35048), (520, 30667), (674, 23660), (676, 23590), (728, 21905), (845, 18872), (910, 17524), (1183, 13480), (1348, 11830), (1352, 11795), (1685, 9464), (1690, 9436), (1820, 8762), (2359, 6760), (2366, 6740), (2696, 5915), (3370, 4732), (3380, 4718), (3640, 4381)]