661395456

素因数分解:

$2^{11}\times 3^6\times {\mathrm{443}}^1$

素因数の和:483

約数の個数: 168

約数和(自身を含む): 1987270740

約数和(自身を除く): 1325875284

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 243, 256, 288, 324, 384, 432, 443, 486, 512, 576, 648, 729, 768, 864, 886, 972, 1024, 1152, 1296, 1329, 1458, 1536, 1728, 1772, 1944, 2048, 2304, 2592, 2658, 2916, 3072, 3456, 3544, 3888, 3987, 4608, 5184, 5316, 5832, 6144, 6912, 7088, 7776, 7974, 9216, 10368, 10632, 11664, 11961, 13824, 14176, 15552, 15948, 18432, 20736, 21264, 23328, 23922, 27648, 28352, 31104, 31896, 35883, 41472, 42528, 46656, 47844, 55296, 56704, 62208, 63792, 71766, 82944, 85056, 93312, 95688, 107649, 113408, 124416, 127584, 143532, 165888, 170112, 186624, 191376, 215298, 226816, 248832, 255168, 287064, 322947, 340224, 373248, 382752, 430596, 453632, 497664, 510336, 574128, 645894, 680448, 746496, 765504, 861192, 907264, 1020672, 1148256, 1291788, 1360896, 1492992, 1531008, 1722384, 2041344, 2296512, 2583576, 2721792, 3062016, 3444768, 4082688, 4593024, 5167152, 6124032, 6889536, 8165376, 9186048, 10334304, 12248064, 13779072, 18372096, 20668608, 24496128, 27558144, 36744192, 41337216, 55116288, 73488384, 82674432, 110232576, 165348864, 220465152, 330697728, 661395456]

約数ペア:

[(1, 661395456), (2, 330697728), (3, 220465152), (4, 165348864), (6, 110232576), (8, 82674432), (9, 73488384), (12, 55116288), (16, 41337216), (18, 36744192), (24, 27558144), (27, 24496128), (32, 20668608), (36, 18372096), (48, 13779072), (54, 12248064), (64, 10334304), (72, 9186048), (81, 8165376), (96, 6889536), (108, 6124032), (128, 5167152), (144, 4593024), (162, 4082688), (192, 3444768), (216, 3062016), (243, 2721792), (256, 2583576), (288, 2296512), (324, 2041344), (384, 1722384), (432, 1531008), (443, 1492992), (486, 1360896), (512, 1291788), (576, 1148256), (648, 1020672), (729, 907264), (768, 861192), (864, 765504), (886, 746496), (972, 680448), (1024, 645894), (1152, 574128), (1296, 510336), (1329, 497664), (1458, 453632), (1536, 430596), (1728, 382752), (1772, 373248), (1944, 340224), (2048, 322947), (2304, 287064), (2592, 255168), (2658, 248832), (2916, 226816), (3072, 215298), (3456, 191376), (3544, 186624), (3888, 170112), (3987, 165888), (4608, 143532), (5184, 127584), (5316, 124416), (5832, 113408), (6144, 107649), (6912, 95688), (7088, 93312), (7776, 85056), (7974, 82944), (9216, 71766), (10368, 63792), (10632, 62208), (11664, 56704), (11961, 55296), (13824, 47844), (14176, 46656), (15552, 42528), (15948, 41472), (18432, 35883), (20736, 31896), (21264, 31104), (23328, 28352), (23922, 27648)]