251263728

素因数分解:

$2^4\times 3^3\times {\mathrm{599}}^1\times {\mathrm{971}}^1$

素因数の和:1587

約数の個数: 80

約数和(自身を含む): 723168000

約数和(自身を除く): 471904272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 599, 971, 1198, 1797, 1942, 2396, 2913, 3594, 3884, 4792, 5391, 5826, 7188, 7768, 8739, 9584, 10782, 11652, 14376, 15536, 16173, 17478, 21564, 23304, 26217, 28752, 32346, 34956, 43128, 46608, 52434, 64692, 69912, 86256, 104868, 129384, 139824, 209736, 258768, 419472, 581629, 1163258, 1744887, 2326516, 3489774, 4653032, 5234661, 6979548, 9306064, 10469322, 13959096, 15703983, 20938644, 27918192, 31407966, 41877288, 62815932, 83754576, 125631864, 251263728]

約数ペア:

[(1, 251263728), (2, 125631864), (3, 83754576), (4, 62815932), (6, 41877288), (8, 31407966), (9, 27918192), (12, 20938644), (16, 15703983), (18, 13959096), (24, 10469322), (27, 9306064), (36, 6979548), (48, 5234661), (54, 4653032), (72, 3489774), (108, 2326516), (144, 1744887), (216, 1163258), (432, 581629), (599, 419472), (971, 258768), (1198, 209736), (1797, 139824), (1942, 129384), (2396, 104868), (2913, 86256), (3594, 69912), (3884, 64692), (4792, 52434), (5391, 46608), (5826, 43128), (7188, 34956), (7768, 32346), (8739, 28752), (9584, 26217), (10782, 23304), (11652, 21564), (14376, 17478), (15536, 16173)]