15906280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{181}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 38984400

約数和(自身を除く): 23078120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 181, 260, 338, 362, 520, 676, 724, 845, 905, 1352, 1448, 1690, 1810, 2197, 2353, 3380, 3620, 4394, 4706, 6760, 7240, 8788, 9412, 10985, 11765, 17576, 18824, 21970, 23530, 30589, 43940, 47060, 61178, 87880, 94120, 122356, 152945, 244712, 305890, 397657, 611780, 795314, 1223560, 1590628, 1988285, 3181256, 3976570, 7953140, 15906280]

約数ペア:

[(1, 15906280), (2, 7953140), (4, 3976570), (5, 3181256), (8, 1988285), (10, 1590628), (13, 1223560), (20, 795314), (26, 611780), (40, 397657), (52, 305890), (65, 244712), (104, 152945), (130, 122356), (169, 94120), (181, 87880), (260, 61178), (338, 47060), (362, 43940), (520, 30589), (676, 23530), (724, 21970), (845, 18824), (905, 17576), (1352, 11765), (1448, 10985), (1690, 9412), (1810, 8788), (2197, 7240), (2353, 6760), (3380, 4706), (3620, 4394)]