12561480

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{3877}}^1$

素因数の和:3900

約数の個数: 80

約数和(自身を含む): 42231420

約数和(自身を除く): 29669940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 3877, 7754, 11631, 15508, 19385, 23262, 31016, 34893, 38770, 46524, 58155, 69786, 77540, 93048, 104679, 116310, 139572, 155080, 174465, 209358, 232620, 279144, 314037, 348930, 418716, 465240, 523395, 628074, 697860, 837432, 1046790, 1256148, 1395720, 1570185, 2093580, 2512296, 3140370, 4187160, 6280740, 12561480]

約数ペア:

[(1, 12561480), (2, 6280740), (3, 4187160), (4, 3140370), (5, 2512296), (6, 2093580), (8, 1570185), (9, 1395720), (10, 1256148), (12, 1046790), (15, 837432), (18, 697860), (20, 628074), (24, 523395), (27, 465240), (30, 418716), (36, 348930), (40, 314037), (45, 279144), (54, 232620), (60, 209358), (72, 174465), (81, 155080), (90, 139572), (108, 116310), (120, 104679), (135, 93048), (162, 77540), (180, 69786), (216, 58155), (270, 46524), (324, 38770), (360, 34893), (405, 31016), (540, 23262), (648, 19385), (810, 15508), (1080, 11631), (1620, 7754), (3240, 3877)]