331740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 1070160

約数和(自身を除く): 738420

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, 97, 114, 171, 180, 190, 194, 228, 285, 291, 342, 380, 388, 485, 570, 582, 684, 855, 873, 970, 1140, 1164, 1455, 1710, 1746, 1843, 1940, 2910, 3420, 3492, 3686, 4365, 5529, 5820, 7372, 8730, 9215, 11058, 16587, 17460, 18430, 22116, 27645, 33174, 36860, 55290, 66348, 82935, 110580, 165870, 331740]

約数ペア:

[(1, 331740), (2, 165870), (3, 110580), (4, 82935), (5, 66348), (6, 55290), (9, 36860), (10, 33174), (12, 27645), (15, 22116), (18, 18430), (19, 17460), (20, 16587), (30, 11058), (36, 9215), (38, 8730), (45, 7372), (57, 5820), (60, 5529), (76, 4365), (90, 3686), (95, 3492), (97, 3420), (114, 2910), (171, 1940), (180, 1843), (190, 1746), (194, 1710), (228, 1455), (285, 1164), (291, 1140), (342, 970), (380, 873), (388, 855), (485, 684), (570, 582)]