81971610

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{55763}}^1$

素因数の和:55787

約数の個数: 48

約数和(自身を含む): 228855456

約数和(自身を除く): 146883846

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 55763, 111526, 167289, 278815, 334578, 390341, 557630, 780682, 836445, 1171023, 1672890, 1951705, 2342046, 2732387, 3903410, 5464774, 5855115, 8197161, 11710230, 13661935, 16394322, 27323870, 40985805, 81971610]

約数ペア:

[(1, 81971610), (2, 40985805), (3, 27323870), (5, 16394322), (6, 13661935), (7, 11710230), (10, 8197161), (14, 5855115), (15, 5464774), (21, 3903410), (30, 2732387), (35, 2342046), (42, 1951705), (49, 1672890), (70, 1171023), (98, 836445), (105, 780682), (147, 557630), (210, 390341), (245, 334578), (294, 278815), (490, 167289), (735, 111526), (1470, 55763)]