1389516720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{186763}}^1$

素因数の和:186810

約数の個数: 80

約数和(自身を含む): 4446477312

約数和(自身を除く): 3056960592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 186763, 373526, 560289, 747052, 933815, 1120578, 1494104, 1867630, 2241156, 2801445, 2988208, 3735260, 4482312, 5602890, 5789653, 7470520, 8964624, 11205780, 11579306, 14941040, 17368959, 22411560, 23158612, 28948265, 34737918, 44823120, 46317224, 57896530, 69475836, 86844795, 92634448, 115793060, 138951672, 173689590, 231586120, 277903344, 347379180, 463172240, 694758360, 1389516720]

約数ペア:

[(1, 1389516720), (2, 694758360), (3, 463172240), (4, 347379180), (5, 277903344), (6, 231586120), (8, 173689590), (10, 138951672), (12, 115793060), (15, 92634448), (16, 86844795), (20, 69475836), (24, 57896530), (30, 46317224), (31, 44823120), (40, 34737918), (48, 28948265), (60, 23158612), (62, 22411560), (80, 17368959), (93, 14941040), (120, 11579306), (124, 11205780), (155, 8964624), (186, 7470520), (240, 5789653), (248, 5602890), (310, 4482312), (372, 3735260), (465, 2988208), (496, 2801445), (620, 2241156), (744, 1867630), (930, 1494104), (1240, 1120578), (1488, 933815), (1860, 747052), (2480, 560289), (3720, 373526), (7440, 186763)]