80727120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{112121}}^1$

素因数の和:112140

約数の個数: 60

約数和(自身を含む): 271110996

約数和(自身を除く): 190383876

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, 112121, 224242, 336363, 448484, 560605, 672726, 896968, 1009089, 1121210, 1345452, 1681815, 1793936, 2018178, 2242420, 2690904, 3363630, 4036356, 4484840, 5045445, 5381808, 6727260, 8072712, 8969680, 10090890, 13454520, 16145424, 20181780, 26909040, 40363560, 80727120]

約数ペア:

[(1, 80727120), (2, 40363560), (3, 26909040), (4, 20181780), (5, 16145424), (6, 13454520), (8, 10090890), (9, 8969680), (10, 8072712), (12, 6727260), (15, 5381808), (16, 5045445), (18, 4484840), (20, 4036356), (24, 3363630), (30, 2690904), (36, 2242420), (40, 2018178), (45, 1793936), (48, 1681815), (60, 1345452), (72, 1121210), (80, 1009089), (90, 896968), (120, 672726), (144, 560605), (180, 448484), (240, 336363), (360, 224242), (720, 112121)]