268365760

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2081}}^1$

素因数の和:2142

約数の個数: 112

約数和(自身を含む): 710744832

約数和(自身を除く): 442379072

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1612, 1984, 2015, 2080, 2081, 2480, 3224, 4030, 4160, 4162, 4960, 6448, 8060, 8324, 9920, 10405, 12896, 16120, 16648, 20810, 25792, 27053, 32240, 33296, 41620, 54106, 64480, 64511, 66592, 83240, 108212, 128960, 129022, 133184, 135265, 166480, 216424, 258044, 270530, 322555, 332960, 432848, 516088, 541060, 645110, 665920, 838643, 865696, 1032176, 1082120, 1290220, 1677286, 1731392, 2064352, 2164240, 2580440, 3354572, 4128704, 4193215, 4328480, 5160880, 6709144, 8386430, 8656960, 10321760, 13418288, 16772860, 20643520, 26836576, 33545720, 53673152, 67091440, 134182880, 268365760]

約数ペア:

[(1, 268365760), (2, 134182880), (4, 67091440), (5, 53673152), (8, 33545720), (10, 26836576), (13, 20643520), (16, 16772860), (20, 13418288), (26, 10321760), (31, 8656960), (32, 8386430), (40, 6709144), (52, 5160880), (62, 4328480), (64, 4193215), (65, 4128704), (80, 3354572), (104, 2580440), (124, 2164240), (130, 2064352), (155, 1731392), (160, 1677286), (208, 1290220), (248, 1082120), (260, 1032176), (310, 865696), (320, 838643), (403, 665920), (416, 645110), (496, 541060), (520, 516088), (620, 432848), (806, 332960), (832, 322555), (992, 270530), (1040, 258044), (1240, 216424), (1612, 166480), (1984, 135265), (2015, 133184), (2080, 129022), (2081, 128960), (2480, 108212), (3224, 83240), (4030, 66592), (4160, 64511), (4162, 64480), (4960, 54106), (6448, 41620), (8060, 33296), (8324, 32240), (9920, 27053), (10405, 25792), (12896, 20810), (16120, 16648)]