31607160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20261}}^1$

素因数の和:20288

約数の個数: 64

約数和(自身を含む): 102120480

約数和(自身を除く): 70513320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 20261, 40522, 60783, 81044, 101305, 121566, 162088, 202610, 243132, 263393, 303915, 405220, 486264, 526786, 607830, 790179, 810440, 1053572, 1215660, 1316965, 1580358, 2107144, 2431320, 2633930, 3160716, 3950895, 5267860, 6321432, 7901790, 10535720, 15803580, 31607160]

約数ペア:

[(1, 31607160), (2, 15803580), (3, 10535720), (4, 7901790), (5, 6321432), (6, 5267860), (8, 3950895), (10, 3160716), (12, 2633930), (13, 2431320), (15, 2107144), (20, 1580358), (24, 1316965), (26, 1215660), (30, 1053572), (39, 810440), (40, 790179), (52, 607830), (60, 526786), (65, 486264), (78, 405220), (104, 303915), (120, 263393), (130, 243132), (156, 202610), (195, 162088), (260, 121566), (312, 101305), (390, 81044), (520, 60783), (780, 40522), (1560, 20261)]