20129436720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{27957551}}^1$

素因数の和:27957570

約数の個数: 60

約数和(自身を含む): 67601360736

約数和(自身を除く): 47471924016

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, 27957551, 55915102, 83872653, 111830204, 139787755, 167745306, 223660408, 251617959, 279575510, 335490612, 419363265, 447320816, 503235918, 559151020, 670981224, 838726530, 1006471836, 1118302040, 1258089795, 1341962448, 1677453060, 2012943672, 2236604080, 2516179590, 3354906120, 4025887344, 5032359180, 6709812240, 10064718360, 20129436720]

約数ペア:

[(1, 20129436720), (2, 10064718360), (3, 6709812240), (4, 5032359180), (5, 4025887344), (6, 3354906120), (8, 2516179590), (9, 2236604080), (10, 2012943672), (12, 1677453060), (15, 1341962448), (16, 1258089795), (18, 1118302040), (20, 1006471836), (24, 838726530), (30, 670981224), (36, 559151020), (40, 503235918), (45, 447320816), (48, 419363265), (60, 335490612), (72, 279575510), (80, 251617959), (90, 223660408), (120, 167745306), (144, 139787755), (180, 111830204), (240, 83872653), (360, 55915102), (720, 27957551)]