268534240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{9931}}^1$

素因数の和:9972

約数の個数: 72

約数和(自身を含む): 687036168

約数和(自身を除く): 418501928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 1040, 1352, 1690, 2080, 2704, 3380, 5408, 6760, 9931, 13520, 19862, 27040, 39724, 49655, 79448, 99310, 129103, 158896, 198620, 258206, 317792, 397240, 516412, 645515, 794480, 1032824, 1291030, 1588960, 1678339, 2065648, 2582060, 3356678, 4131296, 5164120, 6713356, 8391695, 10328240, 13426712, 16783390, 20656480, 26853424, 33566780, 53706848, 67133560, 134267120, 268534240]

約数ペア:

[(1, 268534240), (2, 134267120), (4, 67133560), (5, 53706848), (8, 33566780), (10, 26853424), (13, 20656480), (16, 16783390), (20, 13426712), (26, 10328240), (32, 8391695), (40, 6713356), (52, 5164120), (65, 4131296), (80, 3356678), (104, 2582060), (130, 2065648), (160, 1678339), (169, 1588960), (208, 1291030), (260, 1032824), (338, 794480), (416, 645515), (520, 516412), (676, 397240), (845, 317792), (1040, 258206), (1352, 198620), (1690, 158896), (2080, 129103), (2704, 99310), (3380, 79448), (5408, 49655), (6760, 39724), (9931, 27040), (13520, 19862)]