81418320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113081}}^1$

素因数の和:113100

約数の個数: 60

約数和(自身を含む): 273432276

約数和(自身を除く): 192013956

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, 113081, 226162, 339243, 452324, 565405, 678486, 904648, 1017729, 1130810, 1356972, 1696215, 1809296, 2035458, 2261620, 2713944, 3392430, 4070916, 4523240, 5088645, 5427888, 6784860, 8141832, 9046480, 10177290, 13569720, 16283664, 20354580, 27139440, 40709160, 81418320]

約数ペア:

[(1, 81418320), (2, 40709160), (3, 27139440), (4, 20354580), (5, 16283664), (6, 13569720), (8, 10177290), (9, 9046480), (10, 8141832), (12, 6784860), (15, 5427888), (16, 5088645), (18, 4523240), (20, 4070916), (24, 3392430), (30, 2713944), (36, 2261620), (40, 2035458), (45, 1809296), (48, 1696215), (60, 1356972), (72, 1130810), (80, 1017729), (90, 904648), (120, 678486), (144, 565405), (180, 452324), (240, 339243), (360, 226162), (720, 113081)]