215353728

素因数分解:

$2^7\times 3^4\times {\mathrm{20771}}^1$

素因数の和:20797

約数の個数: 80

約数和(自身を含む): 640920060

約数和(自身を除く): 425566332

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, 288, 324, 384, 432, 576, 648, 864, 1152, 1296, 1728, 2592, 3456, 5184, 10368, 20771, 41542, 62313, 83084, 124626, 166168, 186939, 249252, 332336, 373878, 498504, 560817, 664672, 747756, 997008, 1121634, 1329344, 1495512, 1682451, 1994016, 2243268, 2658688, 2991024, 3364902, 3988032, 4486536, 5982048, 6729804, 7976064, 8973072, 11964096, 13459608, 17946144, 23928192, 26919216, 35892288, 53838432, 71784576, 107676864, 215353728]

約数ペア:

[(1, 215353728), (2, 107676864), (3, 71784576), (4, 53838432), (6, 35892288), (8, 26919216), (9, 23928192), (12, 17946144), (16, 13459608), (18, 11964096), (24, 8973072), (27, 7976064), (32, 6729804), (36, 5982048), (48, 4486536), (54, 3988032), (64, 3364902), (72, 2991024), (81, 2658688), (96, 2243268), (108, 1994016), (128, 1682451), (144, 1495512), (162, 1329344), (192, 1121634), (216, 997008), (288, 747756), (324, 664672), (384, 560817), (432, 498504), (576, 373878), (648, 332336), (864, 249252), (1152, 186939), (1296, 166168), (1728, 124626), (2592, 83084), (3456, 62313), (5184, 41542), (10368, 20771)]