72405870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 178053120

約数和(自身を除く): 105647250

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 137, 158, 223, 237, 274, 395, 411, 446, 474, 669, 685, 790, 822, 1115, 1185, 1338, 1370, 2055, 2230, 2370, 3345, 4110, 6690, 10823, 17617, 21646, 30551, 32469, 35234, 52851, 54115, 61102, 64938, 88085, 91653, 105702, 108230, 152755, 162345, 176170, 183306, 264255, 305510, 324690, 458265, 528510, 916530, 2413529, 4827058, 7240587, 12067645, 14481174, 24135290, 36202935, 72405870]

約数ペア:

[(1, 72405870), (2, 36202935), (3, 24135290), (5, 14481174), (6, 12067645), (10, 7240587), (15, 4827058), (30, 2413529), (79, 916530), (137, 528510), (158, 458265), (223, 324690), (237, 305510), (274, 264255), (395, 183306), (411, 176170), (446, 162345), (474, 152755), (669, 108230), (685, 105702), (790, 91653), (822, 88085), (1115, 64938), (1185, 61102), (1338, 54115), (1370, 52851), (2055, 35234), (2230, 32469), (2370, 30551), (3345, 21646), (4110, 17617), (6690, 10823)]