15381860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{883}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 35345856

約数和(自身を除く): 19963996

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 883, 1340, 1742, 1766, 3484, 3532, 4355, 4415, 8710, 8830, 11479, 17420, 17660, 22958, 45916, 57395, 59161, 114790, 118322, 229580, 236644, 295805, 591610, 769093, 1183220, 1538186, 3076372, 3845465, 7690930, 15381860]

約数ペア:

[(1, 15381860), (2, 7690930), (4, 3845465), (5, 3076372), (10, 1538186), (13, 1183220), (20, 769093), (26, 591610), (52, 295805), (65, 236644), (67, 229580), (130, 118322), (134, 114790), (260, 59161), (268, 57395), (335, 45916), (670, 22958), (871, 17660), (883, 17420), (1340, 11479), (1742, 8830), (1766, 8710), (3484, 4415), (3532, 4355)]