80148320

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{10223}}^1$

素因数の和:10252

約数の個数: 72

約数和(自身を含む): 220286304

約数和(自身を除く): 140137984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 10223, 20446, 40892, 51115, 71561, 81784, 102230, 143122, 163568, 204460, 286244, 327136, 357805, 408920, 500927, 572488, 715610, 817840, 1001854, 1144976, 1431220, 1635680, 2003708, 2289952, 2504635, 2862440, 4007416, 5009270, 5724880, 8014832, 10018540, 11449760, 16029664, 20037080, 40074160, 80148320]

約数ペア:

[(1, 80148320), (2, 40074160), (4, 20037080), (5, 16029664), (7, 11449760), (8, 10018540), (10, 8014832), (14, 5724880), (16, 5009270), (20, 4007416), (28, 2862440), (32, 2504635), (35, 2289952), (40, 2003708), (49, 1635680), (56, 1431220), (70, 1144976), (80, 1001854), (98, 817840), (112, 715610), (140, 572488), (160, 500927), (196, 408920), (224, 357805), (245, 327136), (280, 286244), (392, 204460), (490, 163568), (560, 143122), (784, 102230), (980, 81784), (1120, 71561), (1568, 51115), (1960, 40892), (3920, 20446), (7840, 10223)]