30558640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{277}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 81905472

約数和(自身を除く): 51346832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 197, 277, 280, 394, 554, 560, 788, 985, 1108, 1379, 1385, 1576, 1939, 1970, 2216, 2758, 2770, 3152, 3878, 3940, 4432, 5516, 5540, 6895, 7756, 7880, 9695, 11032, 11080, 13790, 15512, 15760, 19390, 22064, 22160, 27580, 31024, 38780, 54569, 55160, 77560, 109138, 110320, 155120, 218276, 272845, 381983, 436552, 545690, 763966, 873104, 1091380, 1527932, 1909915, 2182760, 3055864, 3819830, 4365520, 6111728, 7639660, 15279320, 30558640]

約数ペア:

[(1, 30558640), (2, 15279320), (4, 7639660), (5, 6111728), (7, 4365520), (8, 3819830), (10, 3055864), (14, 2182760), (16, 1909915), (20, 1527932), (28, 1091380), (35, 873104), (40, 763966), (56, 545690), (70, 436552), (80, 381983), (112, 272845), (140, 218276), (197, 155120), (277, 110320), (280, 109138), (394, 77560), (554, 55160), (560, 54569), (788, 38780), (985, 31024), (1108, 27580), (1379, 22160), (1385, 22064), (1576, 19390), (1939, 15760), (1970, 15512), (2216, 13790), (2758, 11080), (2770, 11032), (3152, 9695), (3878, 7880), (3940, 7756), (4432, 6895), (5516, 5540)]