231921720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{644227}}^1$

素因数の和:644244

約数の個数: 48

約数和(自身を含む): 753746760

約数和(自身を除く): 521825040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 644227, 1288454, 1932681, 2576908, 3221135, 3865362, 5153816, 5798043, 6442270, 7730724, 9663405, 11596086, 12884540, 15461448, 19326810, 23192172, 25769080, 28990215, 38653620, 46384344, 57980430, 77307240, 115960860, 231921720]

約数ペア:

[(1, 231921720), (2, 115960860), (3, 77307240), (4, 57980430), (5, 46384344), (6, 38653620), (8, 28990215), (9, 25769080), (10, 23192172), (12, 19326810), (15, 15461448), (18, 12884540), (20, 11596086), (24, 9663405), (30, 7730724), (36, 6442270), (40, 5798043), (45, 5153816), (60, 3865362), (72, 3221135), (90, 2576908), (120, 1932681), (180, 1288454), (360, 644227)]