1223560

素因数分解:

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

素因数の和:218

約数の個数: 48

約数和(自身を含む): 2997540

約数和(自身を除く): 1773980

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, 2353, 3380, 3620, 4706, 6760, 7240, 9412, 11765, 18824, 23530, 30589, 47060, 61178, 94120, 122356, 152945, 244712, 305890, 611780, 1223560]

約数ペア:

[(1, 1223560), (2, 611780), (4, 305890), (5, 244712), (8, 152945), (10, 122356), (13, 94120), (20, 61178), (26, 47060), (40, 30589), (52, 23530), (65, 18824), (104, 11765), (130, 9412), (169, 7240), (181, 6760), (260, 4706), (338, 3620), (362, 3380), (520, 2353), (676, 1810), (724, 1690), (845, 1448), (905, 1352)]