15569580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19961}}^1$

素因数の和:19986

約数の個数: 48

約数和(自身を含む): 46950624

約数和(自身を除く): 31381044

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, 19961, 39922, 59883, 79844, 99805, 119766, 199610, 239532, 259493, 299415, 399220, 518986, 598830, 778479, 1037972, 1197660, 1297465, 1556958, 2594930, 3113916, 3892395, 5189860, 7784790, 15569580]

約数ペア:

[(1, 15569580), (2, 7784790), (3, 5189860), (4, 3892395), (5, 3113916), (6, 2594930), (10, 1556958), (12, 1297465), (13, 1197660), (15, 1037972), (20, 778479), (26, 598830), (30, 518986), (39, 399220), (52, 299415), (60, 259493), (65, 239532), (78, 199610), (130, 119766), (156, 99805), (195, 79844), (260, 59883), (390, 39922), (780, 19961)]