7819240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1367}}^1$

素因数の和:1402

約数の個数: 64

約数和(自身を含む): 20684160

約数和(自身を除く): 12864920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1367, 1430, 2734, 2860, 5468, 5720, 6835, 10936, 13670, 15037, 17771, 27340, 30074, 35542, 54680, 60148, 71084, 75185, 88855, 120296, 142168, 150370, 177710, 195481, 300740, 355420, 390962, 601480, 710840, 781924, 977405, 1563848, 1954810, 3909620, 7819240]

約数ペア:

[(1, 7819240), (2, 3909620), (4, 1954810), (5, 1563848), (8, 977405), (10, 781924), (11, 710840), (13, 601480), (20, 390962), (22, 355420), (26, 300740), (40, 195481), (44, 177710), (52, 150370), (55, 142168), (65, 120296), (88, 88855), (104, 75185), (110, 71084), (130, 60148), (143, 54680), (220, 35542), (260, 30074), (286, 27340), (440, 17771), (520, 15037), (572, 13670), (715, 10936), (1144, 6835), (1367, 5720), (1430, 5468), (2734, 2860)]