68481660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87797}}^1$

素因数の和:87822

約数の個数: 48

約数和(自身を含む): 206500896

約数和(自身を除く): 138019236

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 87797, 175594, 263391, 351188, 438985, 526782, 877970, 1053564, 1141361, 1316955, 1755940, 2282722, 2633910, 3424083, 4565444, 5267820, 5706805, 6848166, 11413610, 13696332, 17120415, 22827220, 34240830, 68481660]

約数ペア:

[(1, 68481660), (2, 34240830), (3, 22827220), (4, 17120415), (5, 13696332), (6, 11413610), (10, 6848166), (12, 5706805), (13, 5267820), (15, 4565444), (20, 3424083), (26, 2633910), (30, 2282722), (39, 1755940), (52, 1316955), (60, 1141361), (65, 1053564), (78, 877970), (130, 526782), (156, 438985), (195, 351188), (260, 263391), (390, 175594), (780, 87797)]