77789520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{108041}}^1$

素因数の和:108060

約数の個数: 60

約数和(自身を含む): 261245556

約数和(自身を除く): 183456036

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, 108041, 216082, 324123, 432164, 540205, 648246, 864328, 972369, 1080410, 1296492, 1620615, 1728656, 1944738, 2160820, 2592984, 3241230, 3889476, 4321640, 4861845, 5185968, 6482460, 7778952, 8643280, 9723690, 12964920, 15557904, 19447380, 25929840, 38894760, 77789520]

約数ペア:

[(1, 77789520), (2, 38894760), (3, 25929840), (4, 19447380), (5, 15557904), (6, 12964920), (8, 9723690), (9, 8643280), (10, 7778952), (12, 6482460), (15, 5185968), (16, 4861845), (18, 4321640), (20, 3889476), (24, 3241230), (30, 2592984), (36, 2160820), (40, 1944738), (45, 1728656), (48, 1620615), (60, 1296492), (72, 1080410), (80, 972369), (90, 864328), (120, 648246), (144, 540205), (180, 432164), (240, 324123), (360, 216082), (720, 108041)]