279949760

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{311}}^1$

素因数の和:454

約数の個数: 112

約数和(自身を含む): 698967360

約数和(自身を除く): 419017600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 97, 116, 145, 160, 194, 232, 290, 311, 320, 388, 464, 485, 580, 622, 776, 928, 970, 1160, 1244, 1552, 1555, 1856, 1940, 2320, 2488, 2813, 3104, 3110, 3880, 4640, 4976, 5626, 6208, 6220, 7760, 9019, 9280, 9952, 11252, 12440, 14065, 15520, 18038, 19904, 22504, 24880, 28130, 30167, 31040, 36076, 45008, 45095, 49760, 56260, 60334, 72152, 90016, 90190, 99520, 112520, 120668, 144304, 150835, 180032, 180380, 225040, 241336, 288608, 301670, 360760, 450080, 482672, 577216, 603340, 721520, 874843, 900160, 965344, 1206680, 1443040, 1749686, 1930688, 2413360, 2886080, 3499372, 4374215, 4826720, 6998744, 8748430, 9653440, 13997488, 17496860, 27994976, 34993720, 55989952, 69987440, 139974880, 279949760]

約数ペア:

[(1, 279949760), (2, 139974880), (4, 69987440), (5, 55989952), (8, 34993720), (10, 27994976), (16, 17496860), (20, 13997488), (29, 9653440), (32, 8748430), (40, 6998744), (58, 4826720), (64, 4374215), (80, 3499372), (97, 2886080), (116, 2413360), (145, 1930688), (160, 1749686), (194, 1443040), (232, 1206680), (290, 965344), (311, 900160), (320, 874843), (388, 721520), (464, 603340), (485, 577216), (580, 482672), (622, 450080), (776, 360760), (928, 301670), (970, 288608), (1160, 241336), (1244, 225040), (1552, 180380), (1555, 180032), (1856, 150835), (1940, 144304), (2320, 120668), (2488, 112520), (2813, 99520), (3104, 90190), (3110, 90016), (3880, 72152), (4640, 60334), (4976, 56260), (5626, 49760), (6208, 45095), (6220, 45008), (7760, 36076), (9019, 31040), (9280, 30167), (9952, 28130), (11252, 24880), (12440, 22504), (14065, 19904), (15520, 18038)]