278871552

素因数分解:

$2^9\times 3^3\times {\mathrm{20173}}^1$

素因数の和:20200

約数の個数: 80

約数和(自身を含む): 825520080

約数和(自身を除く): 546648528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 256, 288, 384, 432, 512, 576, 768, 864, 1152, 1536, 1728, 2304, 3456, 4608, 6912, 13824, 20173, 40346, 60519, 80692, 121038, 161384, 181557, 242076, 322768, 363114, 484152, 544671, 645536, 726228, 968304, 1089342, 1291072, 1452456, 1936608, 2178684, 2582144, 2904912, 3873216, 4357368, 5164288, 5809824, 7746432, 8714736, 10328576, 11619648, 15492864, 17429472, 23239296, 30985728, 34858944, 46478592, 69717888, 92957184, 139435776, 278871552]

約数ペア:

[(1, 278871552), (2, 139435776), (3, 92957184), (4, 69717888), (6, 46478592), (8, 34858944), (9, 30985728), (12, 23239296), (16, 17429472), (18, 15492864), (24, 11619648), (27, 10328576), (32, 8714736), (36, 7746432), (48, 5809824), (54, 5164288), (64, 4357368), (72, 3873216), (96, 2904912), (108, 2582144), (128, 2178684), (144, 1936608), (192, 1452456), (216, 1291072), (256, 1089342), (288, 968304), (384, 726228), (432, 645536), (512, 544671), (576, 484152), (768, 363114), (864, 322768), (1152, 242076), (1536, 181557), (1728, 161384), (2304, 121038), (3456, 80692), (4608, 60519), (6912, 40346), (13824, 20173)]