280402560

素因数分解:

$2^7\times 3^6\times 5^1\times {\mathrm{601}}^1$

素因数の和:638

約数の個数: 224

約数和(自身を含む): 1006718580

約数和(自身を除く): 726316020

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 540, 576, 601, 640, 648, 720, 729, 810, 864, 960, 972, 1080, 1152, 1202, 1215, 1296, 1440, 1458, 1620, 1728, 1803, 1920, 1944, 2160, 2404, 2430, 2592, 2880, 2916, 3005, 3240, 3456, 3606, 3645, 3888, 4320, 4808, 4860, 5184, 5409, 5760, 5832, 6010, 6480, 7212, 7290, 7776, 8640, 9015, 9616, 9720, 10368, 10818, 11664, 12020, 12960, 14424, 14580, 15552, 16227, 17280, 18030, 19232, 19440, 21636, 23328, 24040, 25920, 27045, 28848, 29160, 31104, 32454, 36060, 38464, 38880, 43272, 46656, 48080, 48681, 51840, 54090, 57696, 58320, 64908, 72120, 76928, 77760, 81135, 86544, 93312, 96160, 97362, 108180, 115392, 116640, 129816, 144240, 146043, 155520, 162270, 173088, 192320, 194724, 216360, 230784, 233280, 243405, 259632, 288480, 292086, 324540, 346176, 384640, 389448, 432720, 438129, 466560, 486810, 519264, 576960, 584172, 649080, 692352, 730215, 778896, 865440, 876258, 973620, 1038528, 1153920, 1168344, 1298160, 1460430, 1557792, 1730880, 1752516, 1947240, 2077056, 2190645, 2336688, 2596320, 2920860, 3115584, 3461760, 3505032, 3894480, 4381290, 4673376, 5192640, 5841720, 6231168, 7010064, 7788960, 8762580, 9346752, 10385280, 11683440, 14020128, 15577920, 17525160, 18693504, 23366880, 28040256, 31155840, 35050320, 46733760, 56080512, 70100640, 93467520, 140201280, 280402560]

約数ペア:

[(1, 280402560), (2, 140201280), (3, 93467520), (4, 70100640), (5, 56080512), (6, 46733760), (8, 35050320), (9, 31155840), (10, 28040256), (12, 23366880), (15, 18693504), (16, 17525160), (18, 15577920), (20, 14020128), (24, 11683440), (27, 10385280), (30, 9346752), (32, 8762580), (36, 7788960), (40, 7010064), (45, 6231168), (48, 5841720), (54, 5192640), (60, 4673376), (64, 4381290), (72, 3894480), (80, 3505032), (81, 3461760), (90, 3115584), (96, 2920860), (108, 2596320), (120, 2336688), (128, 2190645), (135, 2077056), (144, 1947240), (160, 1752516), (162, 1730880), (180, 1557792), (192, 1460430), (216, 1298160), (240, 1168344), (243, 1153920), (270, 1038528), (288, 973620), (320, 876258), (324, 865440), (360, 778896), (384, 730215), (405, 692352), (432, 649080), (480, 584172), (486, 576960), (540, 519264), (576, 486810), (601, 466560), (640, 438129), (648, 432720), (720, 389448), (729, 384640), (810, 346176), (864, 324540), (960, 292086), (972, 288480), (1080, 259632), (1152, 243405), (1202, 233280), (1215, 230784), (1296, 216360), (1440, 194724), (1458, 192320), (1620, 173088), (1728, 162270), (1803, 155520), (1920, 146043), (1944, 144240), (2160, 129816), (2404, 116640), (2430, 115392), (2592, 108180), (2880, 97362), (2916, 96160), (3005, 93312), (3240, 86544), (3456, 81135), (3606, 77760), (3645, 76928), (3888, 72120), (4320, 64908), (4808, 58320), (4860, 57696), (5184, 54090), (5409, 51840), (5760, 48681), (5832, 48080), (6010, 46656), (6480, 43272), (7212, 38880), (7290, 38464), (7776, 36060), (8640, 32454), (9015, 31104), (9616, 29160), (9720, 28848), (10368, 27045), (10818, 25920), (11664, 24040), (12020, 23328), (12960, 21636), (14424, 19440), (14580, 19232), (15552, 18030), (16227, 17280)]