78199740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2251}}^1$

素因数の和:2459

約数の個数: 72

約数和(自身を含む): 238540848

約数和(自身を除く): 160341108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 193, 386, 579, 772, 965, 1158, 1737, 1930, 2251, 2316, 2895, 3474, 3860, 4502, 5790, 6753, 6948, 8685, 9004, 11255, 11580, 13506, 17370, 20259, 22510, 27012, 33765, 34740, 40518, 45020, 67530, 81036, 101295, 135060, 202590, 405180, 434443, 868886, 1303329, 1737772, 2172215, 2606658, 3909987, 4344430, 5213316, 6516645, 7819974, 8688860, 13033290, 15639948, 19549935, 26066580, 39099870, 78199740]

約数ペア:

[(1, 78199740), (2, 39099870), (3, 26066580), (4, 19549935), (5, 15639948), (6, 13033290), (9, 8688860), (10, 7819974), (12, 6516645), (15, 5213316), (18, 4344430), (20, 3909987), (30, 2606658), (36, 2172215), (45, 1737772), (60, 1303329), (90, 868886), (180, 434443), (193, 405180), (386, 202590), (579, 135060), (772, 101295), (965, 81036), (1158, 67530), (1737, 45020), (1930, 40518), (2251, 34740), (2316, 33765), (2895, 27012), (3474, 22510), (3860, 20259), (4502, 17370), (5790, 13506), (6753, 11580), (6948, 11255), (8685, 9004)]