42640680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{355339}}^1$

素因数の和:355353

約数の個数: 32

約数和(自身を含む): 127922400

約数和(自身を除く): 85281720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 355339, 710678, 1066017, 1421356, 1776695, 2132034, 2842712, 3553390, 4264068, 5330085, 7106780, 8528136, 10660170, 14213560, 21320340, 42640680]

約数ペア:

[(1, 42640680), (2, 21320340), (3, 14213560), (4, 10660170), (5, 8528136), (6, 7106780), (8, 5330085), (10, 4264068), (12, 3553390), (15, 2842712), (20, 2132034), (24, 1776695), (30, 1421356), (40, 1066017), (60, 710678), (120, 355339)]