7988220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{4931}}^1$

素因数の和:4952

約数の個数: 60

約数和(自身を含む): 25064424

約数和(自身を除く): 17076204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 4931, 9862, 14793, 19724, 24655, 29586, 44379, 49310, 59172, 73965, 88758, 98620, 133137, 147930, 177516, 221895, 266274, 295860, 399411, 443790, 532548, 665685, 798822, 887580, 1331370, 1597644, 1997055, 2662740, 3994110, 7988220]

約数ペア:

[(1, 7988220), (2, 3994110), (3, 2662740), (4, 1997055), (5, 1597644), (6, 1331370), (9, 887580), (10, 798822), (12, 665685), (15, 532548), (18, 443790), (20, 399411), (27, 295860), (30, 266274), (36, 221895), (45, 177516), (54, 147930), (60, 133137), (81, 98620), (90, 88758), (108, 73965), (135, 59172), (162, 49310), (180, 44379), (270, 29586), (324, 24655), (405, 19724), (540, 14793), (810, 9862), (1620, 4931)]