8457660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2473}}^1$

素因数の和:2507

約数の個数: 72

約数和(自身を含む): 27016080

約数和(自身を除く): 18558420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 2473, 3420, 4946, 7419, 9892, 12365, 14838, 22257, 24730, 29676, 37095, 44514, 46987, 49460, 74190, 89028, 93974, 111285, 140961, 148380, 187948, 222570, 234935, 281922, 422883, 445140, 469870, 563844, 704805, 845766, 939740, 1409610, 1691532, 2114415, 2819220, 4228830, 8457660]

約数ペア:

[(1, 8457660), (2, 4228830), (3, 2819220), (4, 2114415), (5, 1691532), (6, 1409610), (9, 939740), (10, 845766), (12, 704805), (15, 563844), (18, 469870), (19, 445140), (20, 422883), (30, 281922), (36, 234935), (38, 222570), (45, 187948), (57, 148380), (60, 140961), (76, 111285), (90, 93974), (95, 89028), (114, 74190), (171, 49460), (180, 46987), (190, 44514), (228, 37095), (285, 29676), (342, 24730), (380, 22257), (570, 14838), (684, 12365), (855, 9892), (1140, 7419), (1710, 4946), (2473, 3420)]