1808918820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{324179}}^1$

素因数の和:324225

約数の個数: 72

約数和(自身を含む): 5664072960

約数和(自身を除く): 3855154140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 324179, 648358, 972537, 1296716, 1620895, 1945074, 2917611, 3241790, 3890148, 4862685, 5835222, 6483580, 9725370, 10049549, 11670444, 14588055, 19450740, 20099098, 29176110, 30148647, 40198196, 50247745, 58352220, 60297294, 90445941, 100495490, 120594588, 150743235, 180891882, 200990980, 301486470, 361783764, 452229705, 602972940, 904459410, 1808918820]

約数ペア:

[(1, 1808918820), (2, 904459410), (3, 602972940), (4, 452229705), (5, 361783764), (6, 301486470), (9, 200990980), (10, 180891882), (12, 150743235), (15, 120594588), (18, 100495490), (20, 90445941), (30, 60297294), (31, 58352220), (36, 50247745), (45, 40198196), (60, 30148647), (62, 29176110), (90, 20099098), (93, 19450740), (124, 14588055), (155, 11670444), (180, 10049549), (186, 9725370), (279, 6483580), (310, 5835222), (372, 4862685), (465, 3890148), (558, 3241790), (620, 2917611), (930, 1945074), (1116, 1620895), (1395, 1296716), (1860, 972537), (2790, 648358), (5580, 324179)]