15380680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{337}}^1$

素因数の和:518

約数の個数: 64

約数和(自身を含む): 39911040

約数和(自身を除く): 24530360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 337, 652, 674, 815, 1141, 1304, 1348, 1630, 1685, 2282, 2359, 2696, 3260, 3370, 4564, 4718, 5705, 6520, 6740, 9128, 9436, 11410, 11795, 13480, 18872, 22820, 23590, 45640, 47180, 54931, 94360, 109862, 219724, 274655, 384517, 439448, 549310, 769034, 1098620, 1538068, 1922585, 2197240, 3076136, 3845170, 7690340, 15380680]

約数ペア:

[(1, 15380680), (2, 7690340), (4, 3845170), (5, 3076136), (7, 2197240), (8, 1922585), (10, 1538068), (14, 1098620), (20, 769034), (28, 549310), (35, 439448), (40, 384517), (56, 274655), (70, 219724), (140, 109862), (163, 94360), (280, 54931), (326, 47180), (337, 45640), (652, 23590), (674, 22820), (815, 18872), (1141, 13480), (1304, 11795), (1348, 11410), (1630, 9436), (1685, 9128), (2282, 6740), (2359, 6520), (2696, 5705), (3260, 4718), (3370, 4564)]