15597660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19997}}^1$

素因数の和:20022

約数の個数: 48

約数和(自身を含む): 47035296

約数和(自身を除く): 31437636

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, 19997, 39994, 59991, 79988, 99985, 119982, 199970, 239964, 259961, 299955, 399940, 519922, 599910, 779883, 1039844, 1199820, 1299805, 1559766, 2599610, 3119532, 3899415, 5199220, 7798830, 15597660]

約数ペア:

[(1, 15597660), (2, 7798830), (3, 5199220), (4, 3899415), (5, 3119532), (6, 2599610), (10, 1559766), (12, 1299805), (13, 1199820), (15, 1039844), (20, 779883), (26, 599910), (30, 519922), (39, 399940), (52, 299955), (60, 259961), (65, 239964), (78, 199970), (130, 119982), (156, 99985), (195, 79988), (260, 59991), (390, 39994), (780, 19997)]