18195840

素因数分解:

$2^7\times 3^7\times 5^1\times {\mathrm{13}}^1$

素因数の和:53

約数の個数: 256

約数和(自身を含む): 70257600

約数和(自身を除く): 52061760

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, 64, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 128, 130, 135, 144, 156, 160, 162, 180, 192, 195, 208, 216, 234, 240, 243, 260, 270, 288, 312, 320, 324, 351, 360, 384, 390, 405, 416, 432, 468, 480, 486, 520, 540, 576, 585, 624, 640, 648, 702, 720, 729, 780, 810, 832, 864, 936, 960, 972, 1040, 1053, 1080, 1152, 1170, 1215, 1248, 1296, 1404, 1440, 1458, 1560, 1620, 1664, 1728, 1755, 1872, 1920, 1944, 2080, 2106, 2160, 2187, 2340, 2430, 2496, 2592, 2808, 2880, 2916, 3120, 3159, 3240, 3456, 3510, 3645, 3744, 3888, 4160, 4212, 4320, 4374, 4680, 4860, 4992, 5184, 5265, 5616, 5760, 5832, 6240, 6318, 6480, 7020, 7290, 7488, 7776, 8320, 8424, 8640, 8748, 9360, 9477, 9720, 10368, 10530, 10935, 11232, 11664, 12480, 12636, 12960, 14040, 14580, 14976, 15552, 15795, 16848, 17280, 17496, 18720, 18954, 19440, 21060, 21870, 22464, 23328, 24960, 25272, 25920, 28080, 28431, 29160, 31104, 31590, 33696, 34992, 37440, 37908, 38880, 42120, 43740, 44928, 46656, 47385, 50544, 51840, 56160, 56862, 58320, 63180, 67392, 69984, 74880, 75816, 77760, 84240, 87480, 93312, 94770, 101088, 112320, 113724, 116640, 126360, 134784, 139968, 142155, 151632, 155520, 168480, 174960, 189540, 202176, 224640, 227448, 233280, 252720, 279936, 284310, 303264, 336960, 349920, 379080, 404352, 454896, 466560, 505440, 568620, 606528, 673920, 699840, 758160, 909792, 1010880, 1137240, 1213056, 1399680, 1516320, 1819584, 2021760, 2274480, 3032640, 3639168, 4548960, 6065280, 9097920, 18195840]

約数ペア:

[(1, 18195840), (2, 9097920), (3, 6065280), (4, 4548960), (5, 3639168), (6, 3032640), (8, 2274480), (9, 2021760), (10, 1819584), (12, 1516320), (13, 1399680), (15, 1213056), (16, 1137240), (18, 1010880), (20, 909792), (24, 758160), (26, 699840), (27, 673920), (30, 606528), (32, 568620), (36, 505440), (39, 466560), (40, 454896), (45, 404352), (48, 379080), (52, 349920), (54, 336960), (60, 303264), (64, 284310), (65, 279936), (72, 252720), (78, 233280), (80, 227448), (81, 224640), (90, 202176), (96, 189540), (104, 174960), (108, 168480), (117, 155520), (120, 151632), (128, 142155), (130, 139968), (135, 134784), (144, 126360), (156, 116640), (160, 113724), (162, 112320), (180, 101088), (192, 94770), (195, 93312), (208, 87480), (216, 84240), (234, 77760), (240, 75816), (243, 74880), (260, 69984), (270, 67392), (288, 63180), (312, 58320), (320, 56862), (324, 56160), (351, 51840), (360, 50544), (384, 47385), (390, 46656), (405, 44928), (416, 43740), (432, 42120), (468, 38880), (480, 37908), (486, 37440), (520, 34992), (540, 33696), (576, 31590), (585, 31104), (624, 29160), (640, 28431), (648, 28080), (702, 25920), (720, 25272), (729, 24960), (780, 23328), (810, 22464), (832, 21870), (864, 21060), (936, 19440), (960, 18954), (972, 18720), (1040, 17496), (1053, 17280), (1080, 16848), (1152, 15795), (1170, 15552), (1215, 14976), (1248, 14580), (1296, 14040), (1404, 12960), (1440, 12636), (1458, 12480), (1560, 11664), (1620, 11232), (1664, 10935), (1728, 10530), (1755, 10368), (1872, 9720), (1920, 9477), (1944, 9360), (2080, 8748), (2106, 8640), (2160, 8424), (2187, 8320), (2340, 7776), (2430, 7488), (2496, 7290), (2592, 7020), (2808, 6480), (2880, 6318), (2916, 6240), (3120, 5832), (3159, 5760), (3240, 5616), (3456, 5265), (3510, 5184), (3645, 4992), (3744, 4860), (3888, 4680), (4160, 4374), (4212, 4320)]