1728450880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1031}}^1$

素因数の和:1105

約数の個数: 168

約数和(自身を含む): 4605064704

約数和(自身を除く): 2876613824

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, 169, 208, 248, 260, 310, 320, 338, 403, 416, 496, 520, 620, 676, 806, 832, 845, 992, 1031, 1040, 1240, 1352, 1612, 1690, 1984, 2015, 2062, 2080, 2480, 2704, 3224, 3380, 4030, 4124, 4160, 4960, 5155, 5239, 5408, 6448, 6760, 8060, 8248, 9920, 10310, 10478, 10816, 12896, 13403, 13520, 16120, 16496, 20620, 20956, 25792, 26195, 26806, 27040, 31961, 32240, 32992, 41240, 41912, 52390, 53612, 54080, 63922, 64480, 65984, 67015, 82480, 83824, 104780, 107224, 127844, 128960, 134030, 159805, 164960, 167648, 174239, 209560, 214448, 255688, 268060, 319610, 329920, 335296, 348478, 415493, 419120, 428896, 511376, 536120, 639220, 696956, 830986, 838240, 857792, 871195, 1022752, 1072240, 1278440, 1393912, 1661972, 1676480, 1742390, 2045504, 2077465, 2144480, 2556880, 2787824, 3323944, 3484780, 4154930, 4288960, 5113760, 5401409, 5575648, 6647888, 6969560, 8309860, 10227520, 10802818, 11151296, 13295776, 13939120, 16619720, 21605636, 26591552, 27007045, 27878240, 33239440, 43211272, 54014090, 55756480, 66478880, 86422544, 108028180, 132957760, 172845088, 216056360, 345690176, 432112720, 864225440, 1728450880]

約数ペア:

[(1, 1728450880), (2, 864225440), (4, 432112720), (5, 345690176), (8, 216056360), (10, 172845088), (13, 132957760), (16, 108028180), (20, 86422544), (26, 66478880), (31, 55756480), (32, 54014090), (40, 43211272), (52, 33239440), (62, 27878240), (64, 27007045), (65, 26591552), (80, 21605636), (104, 16619720), (124, 13939120), (130, 13295776), (155, 11151296), (160, 10802818), (169, 10227520), (208, 8309860), (248, 6969560), (260, 6647888), (310, 5575648), (320, 5401409), (338, 5113760), (403, 4288960), (416, 4154930), (496, 3484780), (520, 3323944), (620, 2787824), (676, 2556880), (806, 2144480), (832, 2077465), (845, 2045504), (992, 1742390), (1031, 1676480), (1040, 1661972), (1240, 1393912), (1352, 1278440), (1612, 1072240), (1690, 1022752), (1984, 871195), (2015, 857792), (2062, 838240), (2080, 830986), (2480, 696956), (2704, 639220), (3224, 536120), (3380, 511376), (4030, 428896), (4124, 419120), (4160, 415493), (4960, 348478), (5155, 335296), (5239, 329920), (5408, 319610), (6448, 268060), (6760, 255688), (8060, 214448), (8248, 209560), (9920, 174239), (10310, 167648), (10478, 164960), (10816, 159805), (12896, 134030), (13403, 128960), (13520, 127844), (16120, 107224), (16496, 104780), (20620, 83824), (20956, 82480), (25792, 67015), (26195, 65984), (26806, 64480), (27040, 63922), (31961, 54080), (32240, 53612), (32992, 52390), (41240, 41912)]