128791440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{178877}}^1$

素因数の和:178896

約数の個数: 60

約数和(自身を含む): 432527004

約数和(自身を除く): 303735564

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 178877, 357754, 536631, 715508, 894385, 1073262, 1431016, 1609893, 1788770, 2146524, 2683155, 2862032, 3219786, 3577540, 4293048, 5366310, 6439572, 7155080, 8049465, 8586096, 10732620, 12879144, 14310160, 16098930, 21465240, 25758288, 32197860, 42930480, 64395720, 128791440]

約数ペア:

[(1, 128791440), (2, 64395720), (3, 42930480), (4, 32197860), (5, 25758288), (6, 21465240), (8, 16098930), (9, 14310160), (10, 12879144), (12, 10732620), (15, 8586096), (16, 8049465), (18, 7155080), (20, 6439572), (24, 5366310), (30, 4293048), (36, 3577540), (40, 3219786), (45, 2862032), (48, 2683155), (60, 2146524), (72, 1788770), (80, 1609893), (90, 1431016), (120, 1073262), (144, 894385), (180, 715508), (240, 536631), (360, 357754), (720, 178877)]