206540280

素因数分解:

$2^3\times 3^8\times 5^1\times {\mathrm{787}}^1$

素因数の和:822

約数の個数: 144

約数和(自身を含む): 697923720

約数和(自身を除く): 491383440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 729, 787, 810, 972, 1080, 1215, 1458, 1574, 1620, 1944, 2187, 2361, 2430, 2916, 3148, 3240, 3645, 3935, 4374, 4722, 4860, 5832, 6296, 6561, 7083, 7290, 7870, 8748, 9444, 9720, 10935, 11805, 13122, 14166, 14580, 15740, 17496, 18888, 21249, 21870, 23610, 26244, 28332, 29160, 31480, 32805, 35415, 42498, 43740, 47220, 52488, 56664, 63747, 65610, 70830, 84996, 87480, 94440, 106245, 127494, 131220, 141660, 169992, 191241, 212490, 254988, 262440, 283320, 318735, 382482, 424980, 509976, 573723, 637470, 764964, 849960, 956205, 1147446, 1274940, 1529928, 1721169, 1912410, 2294892, 2549880, 2868615, 3442338, 3824820, 4589784, 5163507, 5737230, 6884676, 7649640, 8605845, 10327014, 11474460, 13769352, 17211690, 20654028, 22948920, 25817535, 34423380, 41308056, 51635070, 68846760, 103270140, 206540280]

約数ペア:

[(1, 206540280), (2, 103270140), (3, 68846760), (4, 51635070), (5, 41308056), (6, 34423380), (8, 25817535), (9, 22948920), (10, 20654028), (12, 17211690), (15, 13769352), (18, 11474460), (20, 10327014), (24, 8605845), (27, 7649640), (30, 6884676), (36, 5737230), (40, 5163507), (45, 4589784), (54, 3824820), (60, 3442338), (72, 2868615), (81, 2549880), (90, 2294892), (108, 1912410), (120, 1721169), (135, 1529928), (162, 1274940), (180, 1147446), (216, 956205), (243, 849960), (270, 764964), (324, 637470), (360, 573723), (405, 509976), (486, 424980), (540, 382482), (648, 318735), (729, 283320), (787, 262440), (810, 254988), (972, 212490), (1080, 191241), (1215, 169992), (1458, 141660), (1574, 131220), (1620, 127494), (1944, 106245), (2187, 94440), (2361, 87480), (2430, 84996), (2916, 70830), (3148, 65610), (3240, 63747), (3645, 56664), (3935, 52488), (4374, 47220), (4722, 43740), (4860, 42498), (5832, 35415), (6296, 32805), (6561, 31480), (7083, 29160), (7290, 28332), (7870, 26244), (8748, 23610), (9444, 21870), (9720, 21249), (10935, 18888), (11805, 17496), (13122, 15740), (14166, 14580)]