81948090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:652

約数の個数: 96

約数和(自身を含む): 231367104

約数和(自身を除く): 149419014

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 107, 147, 210, 214, 245, 294, 321, 490, 521, 535, 642, 735, 749, 1042, 1070, 1470, 1498, 1563, 1605, 2247, 2605, 3126, 3210, 3647, 3745, 4494, 5210, 5243, 7294, 7490, 7815, 10486, 10941, 11235, 15630, 15729, 18235, 21882, 22470, 25529, 26215, 31458, 36470, 51058, 52430, 54705, 55747, 76587, 78645, 109410, 111494, 127645, 153174, 157290, 167241, 255290, 278735, 334482, 382935, 390229, 557470, 765870, 780458, 836205, 1170687, 1672410, 1951145, 2341374, 2731603, 3902290, 5463206, 5853435, 8194809, 11706870, 13658015, 16389618, 27316030, 40974045, 81948090]

約数ペア:

[(1, 81948090), (2, 40974045), (3, 27316030), (5, 16389618), (6, 13658015), (7, 11706870), (10, 8194809), (14, 5853435), (15, 5463206), (21, 3902290), (30, 2731603), (35, 2341374), (42, 1951145), (49, 1672410), (70, 1170687), (98, 836205), (105, 780458), (107, 765870), (147, 557470), (210, 390229), (214, 382935), (245, 334482), (294, 278735), (321, 255290), (490, 167241), (521, 157290), (535, 153174), (642, 127645), (735, 111494), (749, 109410), (1042, 78645), (1070, 76587), (1470, 55747), (1498, 54705), (1563, 52430), (1605, 51058), (2247, 36470), (2605, 31458), (3126, 26215), (3210, 25529), (3647, 22470), (3745, 21882), (4494, 18235), (5210, 15729), (5243, 15630), (7294, 11235), (7490, 10941), (7815, 10486)]