30575440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{769}}^1$

素因数の和:860

約数の個数: 80

約数和(自身を含む): 82494720

約数和(自身を除く): 51919280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 769, 994, 1136, 1420, 1538, 1988, 2485, 2840, 3076, 3845, 3976, 4970, 5383, 5680, 6152, 7690, 7952, 9940, 10766, 12304, 15380, 19880, 21532, 26915, 30760, 39760, 43064, 53830, 54599, 61520, 86128, 107660, 109198, 215320, 218396, 272995, 382193, 430640, 436792, 545990, 764386, 873584, 1091980, 1528772, 1910965, 2183960, 3057544, 3821930, 4367920, 6115088, 7643860, 15287720, 30575440]

約数ペア:

[(1, 30575440), (2, 15287720), (4, 7643860), (5, 6115088), (7, 4367920), (8, 3821930), (10, 3057544), (14, 2183960), (16, 1910965), (20, 1528772), (28, 1091980), (35, 873584), (40, 764386), (56, 545990), (70, 436792), (71, 430640), (80, 382193), (112, 272995), (140, 218396), (142, 215320), (280, 109198), (284, 107660), (355, 86128), (497, 61520), (560, 54599), (568, 53830), (710, 43064), (769, 39760), (994, 30760), (1136, 26915), (1420, 21532), (1538, 19880), (1988, 15380), (2485, 12304), (2840, 10766), (3076, 9940), (3845, 7952), (3976, 7690), (4970, 6152), (5383, 5680)]