80868960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{631}}^1$

素因数の和:741

約数の個数: 144

約数和(自身を含む): 279508320

約数和(自身を除く): 198639360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 89, 90, 96, 120, 144, 160, 178, 180, 240, 267, 288, 356, 360, 445, 480, 534, 631, 712, 720, 801, 890, 1068, 1262, 1335, 1424, 1440, 1602, 1780, 1893, 2136, 2524, 2670, 2848, 3155, 3204, 3560, 3786, 4005, 4272, 5048, 5340, 5679, 6310, 6408, 7120, 7572, 8010, 8544, 9465, 10096, 10680, 11358, 12620, 12816, 14240, 15144, 16020, 18930, 20192, 21360, 22716, 25240, 25632, 28395, 30288, 32040, 37860, 42720, 45432, 50480, 56159, 56790, 60576, 64080, 75720, 90864, 100960, 112318, 113580, 128160, 151440, 168477, 181728, 224636, 227160, 280795, 302880, 336954, 449272, 454320, 505431, 561590, 673908, 842385, 898544, 908640, 1010862, 1123180, 1347816, 1684770, 1797088, 2021724, 2246360, 2527155, 2695632, 3369540, 4043448, 4492720, 5054310, 5391264, 6739080, 8086896, 8985440, 10108620, 13478160, 16173792, 20217240, 26956320, 40434480, 80868960]

約数ペア:

[(1, 80868960), (2, 40434480), (3, 26956320), (4, 20217240), (5, 16173792), (6, 13478160), (8, 10108620), (9, 8985440), (10, 8086896), (12, 6739080), (15, 5391264), (16, 5054310), (18, 4492720), (20, 4043448), (24, 3369540), (30, 2695632), (32, 2527155), (36, 2246360), (40, 2021724), (45, 1797088), (48, 1684770), (60, 1347816), (72, 1123180), (80, 1010862), (89, 908640), (90, 898544), (96, 842385), (120, 673908), (144, 561590), (160, 505431), (178, 454320), (180, 449272), (240, 336954), (267, 302880), (288, 280795), (356, 227160), (360, 224636), (445, 181728), (480, 168477), (534, 151440), (631, 128160), (712, 113580), (720, 112318), (801, 100960), (890, 90864), (1068, 75720), (1262, 64080), (1335, 60576), (1424, 56790), (1440, 56159), (1602, 50480), (1780, 45432), (1893, 42720), (2136, 37860), (2524, 32040), (2670, 30288), (2848, 28395), (3155, 25632), (3204, 25240), (3560, 22716), (3786, 21360), (4005, 20192), (4272, 18930), (5048, 16020), (5340, 15144), (5679, 14240), (6310, 12816), (6408, 12620), (7120, 11358), (7572, 10680), (8010, 10096), (8544, 9465)]