1256630640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{887}}^1\times {\mathrm{5903}}^1$

素因数の和:6806

約数の個数: 80

約数和(自身を含む): 3900607488

約数和(自身を除く): 2643976848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 887, 1774, 2661, 3548, 4435, 5322, 5903, 7096, 8870, 10644, 11806, 13305, 14192, 17709, 17740, 21288, 23612, 26610, 29515, 35418, 35480, 42576, 47224, 53220, 59030, 70836, 70960, 88545, 94448, 106440, 118060, 141672, 177090, 212880, 236120, 283344, 354180, 472240, 708360, 1416720, 5235961, 10471922, 15707883, 20943844, 26179805, 31415766, 41887688, 52359610, 62831532, 78539415, 83775376, 104719220, 125663064, 157078830, 209438440, 251326128, 314157660, 418876880, 628315320, 1256630640]

約数ペア:

[(1, 1256630640), (2, 628315320), (3, 418876880), (4, 314157660), (5, 251326128), (6, 209438440), (8, 157078830), (10, 125663064), (12, 104719220), (15, 83775376), (16, 78539415), (20, 62831532), (24, 52359610), (30, 41887688), (40, 31415766), (48, 26179805), (60, 20943844), (80, 15707883), (120, 10471922), (240, 5235961), (887, 1416720), (1774, 708360), (2661, 472240), (3548, 354180), (4435, 283344), (5322, 236120), (5903, 212880), (7096, 177090), (8870, 141672), (10644, 118060), (11806, 106440), (13305, 94448), (14192, 88545), (17709, 70960), (17740, 70836), (21288, 59030), (23612, 53220), (26610, 47224), (29515, 42576), (35418, 35480)]