61878800

素因数分解:

$2^4\times 5^2\times {\mathrm{37}}^2\times {\mathrm{113}}^1$

素因数の和:205

約数の個数: 90

約数和(自身を含む): 154142478

約数和(自身を除く): 92263678

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 74, 80, 100, 113, 148, 185, 200, 226, 296, 370, 400, 452, 565, 592, 740, 904, 925, 1130, 1369, 1480, 1808, 1850, 2260, 2738, 2825, 2960, 3700, 4181, 4520, 5476, 5650, 6845, 7400, 8362, 9040, 10952, 11300, 13690, 14800, 16724, 20905, 21904, 22600, 27380, 33448, 34225, 41810, 45200, 54760, 66896, 68450, 83620, 104525, 109520, 136900, 154697, 167240, 209050, 273800, 309394, 334480, 418100, 547600, 618788, 773485, 836200, 1237576, 1546970, 1672400, 2475152, 3093940, 3867425, 6187880, 7734850, 12375760, 15469700, 30939400, 61878800]

約数ペア:

[(1, 61878800), (2, 30939400), (4, 15469700), (5, 12375760), (8, 7734850), (10, 6187880), (16, 3867425), (20, 3093940), (25, 2475152), (37, 1672400), (40, 1546970), (50, 1237576), (74, 836200), (80, 773485), (100, 618788), (113, 547600), (148, 418100), (185, 334480), (200, 309394), (226, 273800), (296, 209050), (370, 167240), (400, 154697), (452, 136900), (565, 109520), (592, 104525), (740, 83620), (904, 68450), (925, 66896), (1130, 54760), (1369, 45200), (1480, 41810), (1808, 34225), (1850, 33448), (2260, 27380), (2738, 22600), (2825, 21904), (2960, 20905), (3700, 16724), (4181, 14800), (4520, 13690), (5476, 11300), (5650, 10952), (6845, 9040), (7400, 8362)]