31983660

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{6581}}^1$

素因数の和:6605

約数の個数: 72

約数和(自身を含む): 100625616

約数和(自身を除く): 68641956

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, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 6581, 13162, 19743, 26324, 32905, 39486, 59229, 65810, 78972, 98715, 118458, 131620, 177687, 197430, 236916, 296145, 355374, 394860, 533061, 592290, 710748, 888435, 1066122, 1184580, 1599183, 1776870, 2132244, 2665305, 3198366, 3553740, 5330610, 6396732, 7995915, 10661220, 15991830, 31983660]

約数ペア:

[(1, 31983660), (2, 15991830), (3, 10661220), (4, 7995915), (5, 6396732), (6, 5330610), (9, 3553740), (10, 3198366), (12, 2665305), (15, 2132244), (18, 1776870), (20, 1599183), (27, 1184580), (30, 1066122), (36, 888435), (45, 710748), (54, 592290), (60, 533061), (81, 394860), (90, 355374), (108, 296145), (135, 236916), (162, 197430), (180, 177687), (243, 131620), (270, 118458), (324, 98715), (405, 78972), (486, 65810), (540, 59229), (810, 39486), (972, 32905), (1215, 26324), (1620, 19743), (2430, 13162), (4860, 6581)]