15803580

素因数分解:

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

素因数の和:20286

約数の個数: 48

約数和(自身を含む): 47656224

約数和(自身を除く): 31852644

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, 20261, 40522, 60783, 81044, 101305, 121566, 202610, 243132, 263393, 303915, 405220, 526786, 607830, 790179, 1053572, 1215660, 1316965, 1580358, 2633930, 3160716, 3950895, 5267860, 7901790, 15803580]

約数ペア:

[(1, 15803580), (2, 7901790), (3, 5267860), (4, 3950895), (5, 3160716), (6, 2633930), (10, 1580358), (12, 1316965), (13, 1215660), (15, 1053572), (20, 790179), (26, 607830), (30, 526786), (39, 405220), (52, 303915), (60, 263393), (65, 243132), (78, 202610), (130, 121566), (156, 101305), (195, 81044), (260, 60783), (390, 40522), (780, 20261)]