818981280

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4861}}^1$

素因数の和:4901

約数の個数: 240

約数和(自身を含む): 3113294184

約数和(自身を除く): 2294312904

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 324, 351, 360, 390, 405, 416, 432, 468, 480, 520, 540, 585, 624, 648, 702, 720, 780, 810, 864, 936, 1040, 1053, 1080, 1170, 1248, 1296, 1404, 1440, 1560, 1620, 1755, 1872, 2080, 2106, 2160, 2340, 2592, 2808, 3120, 3240, 3510, 3744, 4212, 4320, 4680, 4861, 5265, 5616, 6240, 6480, 7020, 8424, 9360, 9722, 10530, 11232, 12960, 14040, 14583, 16848, 18720, 19444, 21060, 24305, 28080, 29166, 33696, 38888, 42120, 43749, 48610, 56160, 58332, 63193, 72915, 77776, 84240, 87498, 97220, 116664, 126386, 131247, 145830, 155552, 168480, 174996, 189579, 194440, 218745, 233328, 252772, 262494, 291660, 315965, 349992, 379158, 388880, 393741, 437490, 466656, 505544, 524988, 568737, 583320, 631930, 656235, 699984, 758316, 777760, 787482, 874980, 947895, 1011088, 1049976, 1137474, 1166640, 1263860, 1312470, 1399968, 1516632, 1574964, 1706211, 1749960, 1895790, 1968705, 2022176, 2099952, 2274948, 2333280, 2527720, 2624940, 2843685, 3033264, 3149928, 3412422, 3499920, 3791580, 3937410, 4199904, 4549896, 5055440, 5118633, 5249880, 5687370, 6066528, 6299856, 6824844, 6999840, 7583160, 7874820, 8531055, 9099792, 10110880, 10237266, 10499760, 11374740, 12599712, 13649688, 15166320, 15749640, 17062110, 18199584, 20474532, 20999520, 22749480, 25593165, 27299376, 30332640, 31499280, 34124220, 40949064, 45498960, 51186330, 54598752, 62998560, 68248440, 81898128, 90997920, 102372660, 136496880, 163796256, 204745320, 272993760, 409490640, 818981280]

約数ペア:

[(1, 818981280), (2, 409490640), (3, 272993760), (4, 204745320), (5, 163796256), (6, 136496880), (8, 102372660), (9, 90997920), (10, 81898128), (12, 68248440), (13, 62998560), (15, 54598752), (16, 51186330), (18, 45498960), (20, 40949064), (24, 34124220), (26, 31499280), (27, 30332640), (30, 27299376), (32, 25593165), (36, 22749480), (39, 20999520), (40, 20474532), (45, 18199584), (48, 17062110), (52, 15749640), (54, 15166320), (60, 13649688), (65, 12599712), (72, 11374740), (78, 10499760), (80, 10237266), (81, 10110880), (90, 9099792), (96, 8531055), (104, 7874820), (108, 7583160), (117, 6999840), (120, 6824844), (130, 6299856), (135, 6066528), (144, 5687370), (156, 5249880), (160, 5118633), (162, 5055440), (180, 4549896), (195, 4199904), (208, 3937410), (216, 3791580), (234, 3499920), (240, 3412422), (260, 3149928), (270, 3033264), (288, 2843685), (312, 2624940), (324, 2527720), (351, 2333280), (360, 2274948), (390, 2099952), (405, 2022176), (416, 1968705), (432, 1895790), (468, 1749960), (480, 1706211), (520, 1574964), (540, 1516632), (585, 1399968), (624, 1312470), (648, 1263860), (702, 1166640), (720, 1137474), (780, 1049976), (810, 1011088), (864, 947895), (936, 874980), (1040, 787482), (1053, 777760), (1080, 758316), (1170, 699984), (1248, 656235), (1296, 631930), (1404, 583320), (1440, 568737), (1560, 524988), (1620, 505544), (1755, 466656), (1872, 437490), (2080, 393741), (2106, 388880), (2160, 379158), (2340, 349992), (2592, 315965), (2808, 291660), (3120, 262494), (3240, 252772), (3510, 233328), (3744, 218745), (4212, 194440), (4320, 189579), (4680, 174996), (4861, 168480), (5265, 155552), (5616, 145830), (6240, 131247), (6480, 126386), (7020, 116664), (8424, 97220), (9360, 87498), (9722, 84240), (10530, 77776), (11232, 72915), (12960, 63193), (14040, 58332), (14583, 56160), (16848, 48610), (18720, 43749), (19444, 42120), (21060, 38888), (24305, 33696), (28080, 29166)]