31276960

素因数分解:

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

素因数の和:1406

約数の個数: 96

約数和(自身を含む): 86873472

約数和(自身を除く): 55596512

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 160, 176, 208, 220, 260, 286, 352, 416, 440, 520, 572, 715, 880, 1040, 1144, 1367, 1430, 1760, 2080, 2288, 2734, 2860, 4576, 5468, 5720, 6835, 10936, 11440, 13670, 15037, 17771, 21872, 22880, 27340, 30074, 35542, 43744, 54680, 60148, 71084, 75185, 88855, 109360, 120296, 142168, 150370, 177710, 195481, 218720, 240592, 284336, 300740, 355420, 390962, 481184, 568672, 601480, 710840, 781924, 977405, 1202960, 1421680, 1563848, 1954810, 2405920, 2843360, 3127696, 3909620, 6255392, 7819240, 15638480, 31276960]

約数ペア:

[(1, 31276960), (2, 15638480), (4, 7819240), (5, 6255392), (8, 3909620), (10, 3127696), (11, 2843360), (13, 2405920), (16, 1954810), (20, 1563848), (22, 1421680), (26, 1202960), (32, 977405), (40, 781924), (44, 710840), (52, 601480), (55, 568672), (65, 481184), (80, 390962), (88, 355420), (104, 300740), (110, 284336), (130, 240592), (143, 218720), (160, 195481), (176, 177710), (208, 150370), (220, 142168), (260, 120296), (286, 109360), (352, 88855), (416, 75185), (440, 71084), (520, 60148), (572, 54680), (715, 43744), (880, 35542), (1040, 30074), (1144, 27340), (1367, 22880), (1430, 21872), (1760, 17771), (2080, 15037), (2288, 13670), (2734, 11440), (2860, 10936), (4576, 6835), (5468, 5720)]