72085720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2549}}^1$

素因数の和:2668

約数の個数: 64

約数和(自身を含む): 187272000

約数和(自身を除く): 115186280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 505, 707, 808, 1010, 1414, 2020, 2549, 2828, 3535, 4040, 5098, 5656, 7070, 10196, 12745, 14140, 17843, 20392, 25490, 28280, 35686, 50980, 71372, 89215, 101960, 142744, 178430, 257449, 356860, 514898, 713720, 1029796, 1287245, 1802143, 2059592, 2574490, 3604286, 5148980, 7208572, 9010715, 10297960, 14417144, 18021430, 36042860, 72085720]

約数ペア:

[(1, 72085720), (2, 36042860), (4, 18021430), (5, 14417144), (7, 10297960), (8, 9010715), (10, 7208572), (14, 5148980), (20, 3604286), (28, 2574490), (35, 2059592), (40, 1802143), (56, 1287245), (70, 1029796), (101, 713720), (140, 514898), (202, 356860), (280, 257449), (404, 178430), (505, 142744), (707, 101960), (808, 89215), (1010, 71372), (1414, 50980), (2020, 35686), (2549, 28280), (2828, 25490), (3535, 20392), (4040, 17843), (5098, 14140), (5656, 12745), (7070, 10196)]