1648573360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{21179}}^1$

素因数の和:21338

約数の個数: 80

約数和(自身を含む): 4412217600

約数和(自身を除く): 2763644240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 556, 560, 695, 973, 1112, 1390, 1946, 2224, 2780, 3892, 4865, 5560, 7784, 9730, 11120, 15568, 19460, 21179, 38920, 42358, 77840, 84716, 105895, 148253, 169432, 211790, 296506, 338864, 423580, 593012, 741265, 847160, 1186024, 1482530, 1694320, 2372048, 2943881, 2965060, 5887762, 5930120, 11775524, 11860240, 14719405, 20607167, 23551048, 29438810, 41214334, 47102096, 58877620, 82428668, 103035835, 117755240, 164857336, 206071670, 235510480, 329714672, 412143340, 824286680, 1648573360]

約数ペア:

[(1, 1648573360), (2, 824286680), (4, 412143340), (5, 329714672), (7, 235510480), (8, 206071670), (10, 164857336), (14, 117755240), (16, 103035835), (20, 82428668), (28, 58877620), (35, 47102096), (40, 41214334), (56, 29438810), (70, 23551048), (80, 20607167), (112, 14719405), (139, 11860240), (140, 11775524), (278, 5930120), (280, 5887762), (556, 2965060), (560, 2943881), (695, 2372048), (973, 1694320), (1112, 1482530), (1390, 1186024), (1946, 847160), (2224, 741265), (2780, 593012), (3892, 423580), (4865, 338864), (5560, 296506), (7784, 211790), (9730, 169432), (11120, 148253), (15568, 105895), (19460, 84716), (21179, 77840), (38920, 42358)]