61408660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{443}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 134265600

約数和(自身を除く): 72856940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 239, 290, 443, 478, 580, 886, 956, 1195, 1772, 2215, 2390, 4430, 4780, 6931, 8860, 12847, 13862, 25694, 27724, 34655, 51388, 64235, 69310, 105877, 128470, 138620, 211754, 256940, 423508, 529385, 1058770, 2117540, 3070433, 6140866, 12281732, 15352165, 30704330, 61408660]

約数ペア:

[(1, 61408660), (2, 30704330), (4, 15352165), (5, 12281732), (10, 6140866), (20, 3070433), (29, 2117540), (58, 1058770), (116, 529385), (145, 423508), (239, 256940), (290, 211754), (443, 138620), (478, 128470), (580, 105877), (886, 69310), (956, 64235), (1195, 51388), (1772, 34655), (2215, 27724), (2390, 25694), (4430, 13862), (4780, 12847), (6931, 8860)]