78998580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23099}}^1$

素因数の和:23133

約数の個数: 72

約数和(自身を含む): 252252000

約数和(自身を除く): 173253420

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, 3420, 23099, 46198, 69297, 92396, 115495, 138594, 207891, 230990, 277188, 346485, 415782, 438881, 461980, 692970, 831564, 877762, 1039455, 1316643, 1385940, 1755524, 2078910, 2194405, 2633286, 3949929, 4157820, 4388810, 5266572, 6583215, 7899858, 8777620, 13166430, 15799716, 19749645, 26332860, 39499290, 78998580]

約数ペア:

[(1, 78998580), (2, 39499290), (3, 26332860), (4, 19749645), (5, 15799716), (6, 13166430), (9, 8777620), (10, 7899858), (12, 6583215), (15, 5266572), (18, 4388810), (19, 4157820), (20, 3949929), (30, 2633286), (36, 2194405), (38, 2078910), (45, 1755524), (57, 1385940), (60, 1316643), (76, 1039455), (90, 877762), (95, 831564), (114, 692970), (171, 461980), (180, 438881), (190, 415782), (228, 346485), (285, 277188), (342, 230990), (380, 207891), (570, 138594), (684, 115495), (855, 92396), (1140, 69297), (1710, 46198), (3420, 23099)]