145905720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1215881}}^1$

素因数の和:1215895

約数の個数: 32

約数和(自身を含む): 437717520

約数和(自身を除く): 291811800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1215881, 2431762, 3647643, 4863524, 6079405, 7295286, 9727048, 12158810, 14590572, 18238215, 24317620, 29181144, 36476430, 48635240, 72952860, 145905720]

約数ペア:

[(1, 145905720), (2, 72952860), (3, 48635240), (4, 36476430), (5, 29181144), (6, 24317620), (8, 18238215), (10, 14590572), (12, 12158810), (15, 9727048), (20, 7295286), (24, 6079405), (30, 4863524), (40, 3647643), (60, 2431762), (120, 1215881)]