7678980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1153}}^1$

素因数の和:1205

約数の個数: 72

約数和(自身を含む): 23943192

約数和(自身を除く): 16264212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1153, 1332, 1665, 2220, 2306, 3330, 3459, 4612, 5765, 6660, 6918, 10377, 11530, 13836, 17295, 20754, 23060, 34590, 41508, 42661, 51885, 69180, 85322, 103770, 127983, 170644, 207540, 213305, 255966, 383949, 426610, 511932, 639915, 767898, 853220, 1279830, 1535796, 1919745, 2559660, 3839490, 7678980]

約数ペア:

[(1, 7678980), (2, 3839490), (3, 2559660), (4, 1919745), (5, 1535796), (6, 1279830), (9, 853220), (10, 767898), (12, 639915), (15, 511932), (18, 426610), (20, 383949), (30, 255966), (36, 213305), (37, 207540), (45, 170644), (60, 127983), (74, 103770), (90, 85322), (111, 69180), (148, 51885), (180, 42661), (185, 41508), (222, 34590), (333, 23060), (370, 20754), (444, 17295), (555, 13836), (666, 11530), (740, 10377), (1110, 6918), (1153, 6660), (1332, 5765), (1665, 4612), (2220, 3459), (2306, 3330)]