28373520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{16889}}^1$

素因数の和:16912

約数の個数: 80

約数和(自身を含む): 100529280

約数和(自身を除く): 72155760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 16889, 33778, 50667, 67556, 84445, 101334, 118223, 135112, 168890, 202668, 236446, 253335, 270224, 337780, 354669, 405336, 472892, 506670, 591115, 675560, 709338, 810672, 945784, 1013340, 1182230, 1351120, 1418676, 1773345, 1891568, 2026680, 2364460, 2837352, 3546690, 4053360, 4728920, 5674704, 7093380, 9457840, 14186760, 28373520]

約数ペア:

[(1, 28373520), (2, 14186760), (3, 9457840), (4, 7093380), (5, 5674704), (6, 4728920), (7, 4053360), (8, 3546690), (10, 2837352), (12, 2364460), (14, 2026680), (15, 1891568), (16, 1773345), (20, 1418676), (21, 1351120), (24, 1182230), (28, 1013340), (30, 945784), (35, 810672), (40, 709338), (42, 675560), (48, 591115), (56, 506670), (60, 472892), (70, 405336), (80, 354669), (84, 337780), (105, 270224), (112, 253335), (120, 236446), (140, 202668), (168, 168890), (210, 135112), (240, 118223), (280, 101334), (336, 84445), (420, 67556), (560, 50667), (840, 33778), (1680, 16889)]