80517240

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{24851}}^1$

素因数の和:24874

約数の個数: 80

約数和(自身を含む): 270638280

約数和(自身を除く): 190121040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 24851, 49702, 74553, 99404, 124255, 149106, 198808, 223659, 248510, 298212, 372765, 447318, 497020, 596424, 670977, 745530, 894636, 994040, 1118295, 1341954, 1491060, 1789272, 2012931, 2236590, 2683908, 2982120, 3354885, 4025862, 4473180, 5367816, 6709770, 8051724, 8946360, 10064655, 13419540, 16103448, 20129310, 26839080, 40258620, 80517240]

約数ペア:

[(1, 80517240), (2, 40258620), (3, 26839080), (4, 20129310), (5, 16103448), (6, 13419540), (8, 10064655), (9, 8946360), (10, 8051724), (12, 6709770), (15, 5367816), (18, 4473180), (20, 4025862), (24, 3354885), (27, 2982120), (30, 2683908), (36, 2236590), (40, 2012931), (45, 1789272), (54, 1491060), (60, 1341954), (72, 1118295), (81, 994040), (90, 894636), (108, 745530), (120, 670977), (135, 596424), (162, 497020), (180, 447318), (216, 372765), (270, 298212), (324, 248510), (360, 223659), (405, 198808), (540, 149106), (648, 124255), (810, 99404), (1080, 74553), (1620, 49702), (3240, 24851)]