31996620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19751}}^1$

素因数の和:19772

約数の個数: 60

約数和(自身を含む): 100379664

約数和(自身を除く): 68383044

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, 19751, 39502, 59253, 79004, 98755, 118506, 177759, 197510, 237012, 296265, 355518, 395020, 533277, 592530, 711036, 888795, 1066554, 1185060, 1599831, 1777590, 2133108, 2666385, 3199662, 3555180, 5332770, 6399324, 7999155, 10665540, 15998310, 31996620]

約数ペア:

[(1, 31996620), (2, 15998310), (3, 10665540), (4, 7999155), (5, 6399324), (6, 5332770), (9, 3555180), (10, 3199662), (12, 2666385), (15, 2133108), (18, 1777590), (20, 1599831), (27, 1185060), (30, 1066554), (36, 888795), (45, 711036), (54, 592530), (60, 533277), (81, 395020), (90, 355518), (108, 296265), (135, 237012), (162, 197510), (180, 177759), (270, 118506), (324, 98755), (405, 79004), (540, 59253), (810, 39502), (1620, 19751)]