80109720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{222527}}^1$

素因数の和:222544

約数の個数: 48

約数和(自身を含む): 260357760

約数和(自身を除く): 180248040

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, 222527, 445054, 667581, 890108, 1112635, 1335162, 1780216, 2002743, 2225270, 2670324, 3337905, 4005486, 4450540, 5340648, 6675810, 8010972, 8901080, 10013715, 13351620, 16021944, 20027430, 26703240, 40054860, 80109720]

約数ペア:

[(1, 80109720), (2, 40054860), (3, 26703240), (4, 20027430), (5, 16021944), (6, 13351620), (8, 10013715), (9, 8901080), (10, 8010972), (12, 6675810), (15, 5340648), (18, 4450540), (20, 4005486), (24, 3337905), (30, 2670324), (36, 2225270), (40, 2002743), (45, 1780216), (60, 1335162), (72, 1112635), (90, 890108), (120, 667581), (180, 445054), (360, 222527)]