21439836720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29777551}}^1$

素因数の和:29777570

約数の個数: 60

約数和(自身を含む): 72002120736

約数和(自身を除く): 50562284016

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, 29777551, 59555102, 89332653, 119110204, 148887755, 178665306, 238220408, 267997959, 297775510, 357330612, 446663265, 476440816, 535995918, 595551020, 714661224, 893326530, 1071991836, 1191102040, 1339989795, 1429322448, 1786653060, 2143983672, 2382204080, 2679979590, 3573306120, 4287967344, 5359959180, 7146612240, 10719918360, 21439836720]

約数ペア:

[(1, 21439836720), (2, 10719918360), (3, 7146612240), (4, 5359959180), (5, 4287967344), (6, 3573306120), (8, 2679979590), (9, 2382204080), (10, 2143983672), (12, 1786653060), (15, 1429322448), (16, 1339989795), (18, 1191102040), (20, 1071991836), (24, 893326530), (30, 714661224), (36, 595551020), (40, 535995918), (45, 476440816), (48, 446663265), (60, 357330612), (72, 297775510), (80, 267997959), (90, 238220408), (120, 178665306), (144, 148887755), (180, 119110204), (240, 89332653), (360, 59555102), (720, 29777551)]