78315680

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13229}}^1$

素因数の和:13281

約数の個数: 48

約数和(自身を含む): 190035720

約数和(自身を除く): 111720040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 5920, 13229, 26458, 52916, 66145, 105832, 132290, 211664, 264580, 423328, 489473, 529160, 978946, 1058320, 1957892, 2116640, 2447365, 3915784, 4894730, 7831568, 9789460, 15663136, 19578920, 39157840, 78315680]

約数ペア:

[(1, 78315680), (2, 39157840), (4, 19578920), (5, 15663136), (8, 9789460), (10, 7831568), (16, 4894730), (20, 3915784), (32, 2447365), (37, 2116640), (40, 1957892), (74, 1058320), (80, 978946), (148, 529160), (160, 489473), (185, 423328), (296, 264580), (370, 211664), (592, 132290), (740, 105832), (1184, 66145), (1480, 52916), (2960, 26458), (5920, 13229)]