28625040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{479}}^1$

素因数の和:581

約数の個数: 120

約数和(自身を含む): 97493760

約数和(自身を除く): 68868720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 83, 90, 120, 144, 166, 180, 240, 249, 332, 360, 415, 479, 498, 664, 720, 747, 830, 958, 996, 1245, 1328, 1437, 1494, 1660, 1916, 1992, 2395, 2490, 2874, 2988, 3320, 3735, 3832, 3984, 4311, 4790, 4980, 5748, 5976, 6640, 7185, 7470, 7664, 8622, 9580, 9960, 11496, 11952, 14370, 14940, 17244, 19160, 19920, 21555, 22992, 28740, 29880, 34488, 38320, 39757, 43110, 57480, 59760, 68976, 79514, 86220, 114960, 119271, 159028, 172440, 198785, 238542, 318056, 344880, 357813, 397570, 477084, 596355, 636112, 715626, 795140, 954168, 1192710, 1431252, 1590280, 1789065, 1908336, 2385420, 2862504, 3180560, 3578130, 4770840, 5725008, 7156260, 9541680, 14312520, 28625040]

約数ペア:

[(1, 28625040), (2, 14312520), (3, 9541680), (4, 7156260), (5, 5725008), (6, 4770840), (8, 3578130), (9, 3180560), (10, 2862504), (12, 2385420), (15, 1908336), (16, 1789065), (18, 1590280), (20, 1431252), (24, 1192710), (30, 954168), (36, 795140), (40, 715626), (45, 636112), (48, 596355), (60, 477084), (72, 397570), (80, 357813), (83, 344880), (90, 318056), (120, 238542), (144, 198785), (166, 172440), (180, 159028), (240, 119271), (249, 114960), (332, 86220), (360, 79514), (415, 68976), (479, 59760), (498, 57480), (664, 43110), (720, 39757), (747, 38320), (830, 34488), (958, 29880), (996, 28740), (1245, 22992), (1328, 21555), (1437, 19920), (1494, 19160), (1660, 17244), (1916, 14940), (1992, 14370), (2395, 11952), (2490, 11496), (2874, 9960), (2988, 9580), (3320, 8622), (3735, 7664), (3832, 7470), (3984, 7185), (4311, 6640), (4790, 5976), (4980, 5748)]