28560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1$

素因数の和:40

約数の個数: 80

約数和(自身を含む): 107136

約数和(自身を除く): 78576

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 168, 170, 204, 210, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 510, 560, 595, 680, 714, 816, 840, 952, 1020, 1190, 1360, 1428, 1680, 1785, 1904, 2040, 2380, 2856, 3570, 4080, 4760, 5712, 7140, 9520, 14280, 28560]

約数ペア:

[(1, 28560), (2, 14280), (3, 9520), (4, 7140), (5, 5712), (6, 4760), (7, 4080), (8, 3570), (10, 2856), (12, 2380), (14, 2040), (15, 1904), (16, 1785), (17, 1680), (20, 1428), (21, 1360), (24, 1190), (28, 1020), (30, 952), (34, 840), (35, 816), (40, 714), (42, 680), (48, 595), (51, 560), (56, 510), (60, 476), (68, 420), (70, 408), (80, 357), (84, 340), (85, 336), (102, 280), (105, 272), (112, 255), (119, 240), (120, 238), (136, 210), (140, 204), (168, 170)]