205709040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{285707}}^1$

素因数の和:285726

約数の個数: 60

約数和(自身を含む): 690841944

約数和(自身を除く): 485132904

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, 285707, 571414, 857121, 1142828, 1428535, 1714242, 2285656, 2571363, 2857070, 3428484, 4285605, 4571312, 5142726, 5714140, 6856968, 8571210, 10285452, 11428280, 12856815, 13713936, 17142420, 20570904, 22856560, 25713630, 34284840, 41141808, 51427260, 68569680, 102854520, 205709040]

約数ペア:

[(1, 205709040), (2, 102854520), (3, 68569680), (4, 51427260), (5, 41141808), (6, 34284840), (8, 25713630), (9, 22856560), (10, 20570904), (12, 17142420), (15, 13713936), (16, 12856815), (18, 11428280), (20, 10285452), (24, 8571210), (30, 6856968), (36, 5714140), (40, 5142726), (45, 4571312), (48, 4285605), (60, 3428484), (72, 2857070), (80, 2571363), (90, 2285656), (120, 1714242), (144, 1428535), (180, 1142828), (240, 857121), (360, 571414), (720, 285707)]