278258640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{105401}}^1$

素因数の和:105428

約数の個数: 80

約数和(自身を含む): 941029056

約数和(自身を除く): 662770416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 105401, 210802, 316203, 421604, 527005, 632406, 843208, 1054010, 1159411, 1264812, 1581015, 1686416, 2108020, 2318822, 2529624, 3162030, 3478233, 4216040, 4637644, 5059248, 5797055, 6324060, 6956466, 8432080, 9275288, 11594110, 12648120, 13912932, 17391165, 18550576, 23188220, 25296240, 27825864, 34782330, 46376440, 55651728, 69564660, 92752880, 139129320, 278258640]

約数ペア:

[(1, 278258640), (2, 139129320), (3, 92752880), (4, 69564660), (5, 55651728), (6, 46376440), (8, 34782330), (10, 27825864), (11, 25296240), (12, 23188220), (15, 18550576), (16, 17391165), (20, 13912932), (22, 12648120), (24, 11594110), (30, 9275288), (33, 8432080), (40, 6956466), (44, 6324060), (48, 5797055), (55, 5059248), (60, 4637644), (66, 4216040), (80, 3478233), (88, 3162030), (110, 2529624), (120, 2318822), (132, 2108020), (165, 1686416), (176, 1581015), (220, 1264812), (240, 1159411), (264, 1054010), (330, 843208), (440, 632406), (528, 527005), (660, 421604), (880, 316203), (1320, 210802), (2640, 105401)]