61345180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13879}}^1$

素因数の和:13918

約数の個数: 48

約数和(自身を含む): 146905920

約数和(自身を除く): 85560740

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 13879, 27758, 55516, 69395, 138790, 180427, 235943, 277580, 360854, 471886, 721708, 902135, 943772, 1179715, 1804270, 2359430, 3067259, 3608540, 4718860, 6134518, 12269036, 15336295, 30672590, 61345180]

約数ペア:

[(1, 61345180), (2, 30672590), (4, 15336295), (5, 12269036), (10, 6134518), (13, 4718860), (17, 3608540), (20, 3067259), (26, 2359430), (34, 1804270), (52, 1179715), (65, 943772), (68, 902135), (85, 721708), (130, 471886), (170, 360854), (221, 277580), (260, 235943), (340, 180427), (442, 138790), (884, 69395), (1105, 55516), (2210, 27758), (4420, 13879)]