72499280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3499}}^1$

素因数の和:3556

約数の個数: 80

約数和(自身を含む): 197904000

約数和(自身を除く): 125404720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 1036, 1295, 1480, 2072, 2590, 2960, 3499, 4144, 5180, 6998, 10360, 13996, 17495, 20720, 24493, 27992, 34990, 48986, 55984, 69980, 97972, 122465, 129463, 139960, 195944, 244930, 258926, 279920, 391888, 489860, 517852, 647315, 906241, 979720, 1035704, 1294630, 1812482, 1959440, 2071408, 2589260, 3624964, 4531205, 5178520, 7249928, 9062410, 10357040, 14499856, 18124820, 36249640, 72499280]

約数ペア:

[(1, 72499280), (2, 36249640), (4, 18124820), (5, 14499856), (7, 10357040), (8, 9062410), (10, 7249928), (14, 5178520), (16, 4531205), (20, 3624964), (28, 2589260), (35, 2071408), (37, 1959440), (40, 1812482), (56, 1294630), (70, 1035704), (74, 979720), (80, 906241), (112, 647315), (140, 517852), (148, 489860), (185, 391888), (259, 279920), (280, 258926), (296, 244930), (370, 195944), (518, 139960), (560, 129463), (592, 122465), (740, 97972), (1036, 69980), (1295, 55984), (1480, 48986), (2072, 34990), (2590, 27992), (2960, 24493), (3499, 20720), (4144, 17495), (5180, 13996), (6998, 10360)]