1268447220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{370891}}^1$

素因数の和:370925

約数の個数: 72

約数和(自身を含む): 4050140640

約数和(自身を除く): 2781693420

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, 370891, 741782, 1112673, 1483564, 1854455, 2225346, 3338019, 3708910, 4450692, 5563365, 6676038, 7046929, 7417820, 11126730, 13352076, 14093858, 16690095, 21140787, 22253460, 28187716, 33380190, 35234645, 42281574, 63422361, 66760380, 70469290, 84563148, 105703935, 126844722, 140938580, 211407870, 253689444, 317111805, 422815740, 634223610, 1268447220]

約数ペア:

[(1, 1268447220), (2, 634223610), (3, 422815740), (4, 317111805), (5, 253689444), (6, 211407870), (9, 140938580), (10, 126844722), (12, 105703935), (15, 84563148), (18, 70469290), (19, 66760380), (20, 63422361), (30, 42281574), (36, 35234645), (38, 33380190), (45, 28187716), (57, 22253460), (60, 21140787), (76, 16690095), (90, 14093858), (95, 13352076), (114, 11126730), (171, 7417820), (180, 7046929), (190, 6676038), (228, 5563365), (285, 4450692), (342, 3708910), (380, 3338019), (570, 2225346), (684, 1854455), (855, 1483564), (1140, 1112673), (1710, 741782), (3420, 370891)]