261448560

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{4483}}^1$

素因数の和:4514

約数の個数: 140

約数和(自身を含む): 911588232

約数和(自身を除く): 650139672

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 729, 810, 972, 1080, 1215, 1296, 1458, 1620, 1944, 2160, 2430, 2916, 3240, 3645, 3888, 4483, 4860, 5832, 6480, 7290, 8966, 9720, 11664, 13449, 14580, 17932, 19440, 22415, 26898, 29160, 35864, 40347, 44830, 53796, 58320, 67245, 71728, 80694, 89660, 107592, 121041, 134490, 161388, 179320, 201735, 215184, 242082, 268980, 322776, 358640, 363123, 403470, 484164, 537960, 605205, 645552, 726246, 806940, 968328, 1075920, 1089369, 1210410, 1452492, 1613880, 1815615, 1936656, 2178738, 2420820, 2904984, 3227760, 3268107, 3631230, 4357476, 4841640, 5446845, 5809968, 6536214, 7262460, 8714952, 9683280, 10893690, 13072428, 14524920, 16340535, 17429904, 21787380, 26144856, 29049840, 32681070, 43574760, 52289712, 65362140, 87149520, 130724280, 261448560]

約数ペア:

[(1, 261448560), (2, 130724280), (3, 87149520), (4, 65362140), (5, 52289712), (6, 43574760), (8, 32681070), (9, 29049840), (10, 26144856), (12, 21787380), (15, 17429904), (16, 16340535), (18, 14524920), (20, 13072428), (24, 10893690), (27, 9683280), (30, 8714952), (36, 7262460), (40, 6536214), (45, 5809968), (48, 5446845), (54, 4841640), (60, 4357476), (72, 3631230), (80, 3268107), (81, 3227760), (90, 2904984), (108, 2420820), (120, 2178738), (135, 1936656), (144, 1815615), (162, 1613880), (180, 1452492), (216, 1210410), (240, 1089369), (243, 1075920), (270, 968328), (324, 806940), (360, 726246), (405, 645552), (432, 605205), (486, 537960), (540, 484164), (648, 403470), (720, 363123), (729, 358640), (810, 322776), (972, 268980), (1080, 242082), (1215, 215184), (1296, 201735), (1458, 179320), (1620, 161388), (1944, 134490), (2160, 121041), (2430, 107592), (2916, 89660), (3240, 80694), (3645, 71728), (3888, 67245), (4483, 58320), (4860, 53796), (5832, 44830), (6480, 40347), (7290, 35864), (8966, 29160), (9720, 26898), (11664, 22415), (13449, 19440), (14580, 17932)]