81906360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{6379}}^1$

素因数の和:6500

約数の個数: 64

約数和(自身を含む): 248054400

約数和(自身を除く): 166148040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 214, 321, 428, 535, 642, 856, 1070, 1284, 1605, 2140, 2568, 3210, 4280, 6379, 6420, 12758, 12840, 19137, 25516, 31895, 38274, 51032, 63790, 76548, 95685, 127580, 153096, 191370, 255160, 382740, 682553, 765480, 1365106, 2047659, 2730212, 3412765, 4095318, 5460424, 6825530, 8190636, 10238295, 13651060, 16381272, 20476590, 27302120, 40953180, 81906360]

約数ペア:

[(1, 81906360), (2, 40953180), (3, 27302120), (4, 20476590), (5, 16381272), (6, 13651060), (8, 10238295), (10, 8190636), (12, 6825530), (15, 5460424), (20, 4095318), (24, 3412765), (30, 2730212), (40, 2047659), (60, 1365106), (107, 765480), (120, 682553), (214, 382740), (321, 255160), (428, 191370), (535, 153096), (642, 127580), (856, 95685), (1070, 76548), (1284, 63790), (1605, 51032), (2140, 38274), (2568, 31895), (3210, 25516), (4280, 19137), (6379, 12840), (6420, 12758)]