128408080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3673}}^1$

素因数の和:3728

約数の個数: 80

約数和(自身を含む): 328014720

約数和(自身を除く): 199606640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 368, 380, 437, 460, 760, 874, 920, 1520, 1748, 1840, 2185, 3496, 3673, 4370, 6992, 7346, 8740, 14692, 17480, 18365, 29384, 34960, 36730, 58768, 69787, 73460, 84479, 139574, 146920, 168958, 279148, 293840, 337916, 348935, 422395, 558296, 675832, 697870, 844790, 1116592, 1351664, 1395740, 1605101, 1689580, 2791480, 3210202, 3379160, 5582960, 6420404, 6758320, 8025505, 12840808, 16051010, 25681616, 32102020, 64204040, 128408080]

約数ペア:

[(1, 128408080), (2, 64204040), (4, 32102020), (5, 25681616), (8, 16051010), (10, 12840808), (16, 8025505), (19, 6758320), (20, 6420404), (23, 5582960), (38, 3379160), (40, 3210202), (46, 2791480), (76, 1689580), (80, 1605101), (92, 1395740), (95, 1351664), (115, 1116592), (152, 844790), (184, 697870), (190, 675832), (230, 558296), (304, 422395), (368, 348935), (380, 337916), (437, 293840), (460, 279148), (760, 168958), (874, 146920), (920, 139574), (1520, 84479), (1748, 73460), (1840, 69787), (2185, 58768), (3496, 36730), (3673, 34960), (4370, 29384), (6992, 18365), (7346, 17480), (8740, 14692)]