81487740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{16363}}^1$

素因数の和:16458

約数の個数: 48

約数和(自身を含む): 230928768

約数和(自身を除く): 149441028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 83, 166, 249, 332, 415, 498, 830, 996, 1245, 1660, 2490, 4980, 16363, 32726, 49089, 65452, 81815, 98178, 163630, 196356, 245445, 327260, 490890, 981780, 1358129, 2716258, 4074387, 5432516, 6790645, 8148774, 13581290, 16297548, 20371935, 27162580, 40743870, 81487740]

約数ペア:

[(1, 81487740), (2, 40743870), (3, 27162580), (4, 20371935), (5, 16297548), (6, 13581290), (10, 8148774), (12, 6790645), (15, 5432516), (20, 4074387), (30, 2716258), (60, 1358129), (83, 981780), (166, 490890), (249, 327260), (332, 245445), (415, 196356), (498, 163630), (830, 98178), (996, 81815), (1245, 65452), (1660, 49089), (2490, 32726), (4980, 16363)]