128640240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{479}}^1$

素因数の和:871

約数の個数: 120

約数和(自身を含む): 434079360

約数和(自身を除く): 305439120

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, 90, 120, 144, 180, 240, 360, 373, 479, 720, 746, 958, 1119, 1437, 1492, 1865, 1916, 2238, 2395, 2874, 2984, 3357, 3730, 3832, 4311, 4476, 4790, 5595, 5748, 5968, 6714, 7185, 7460, 7664, 8622, 8952, 9580, 11190, 11496, 13428, 14370, 14920, 16785, 17244, 17904, 19160, 21555, 22380, 22992, 26856, 28740, 29840, 33570, 34488, 38320, 43110, 44760, 53712, 57480, 67140, 68976, 86220, 89520, 114960, 134280, 172440, 178667, 268560, 344880, 357334, 536001, 714668, 893335, 1072002, 1429336, 1608003, 1786670, 2144004, 2680005, 2858672, 3216006, 3573340, 4288008, 5360010, 6432012, 7146680, 8040015, 8576016, 10720020, 12864024, 14293360, 16080030, 21440040, 25728048, 32160060, 42880080, 64320120, 128640240]

約数ペア:

[(1, 128640240), (2, 64320120), (3, 42880080), (4, 32160060), (5, 25728048), (6, 21440040), (8, 16080030), (9, 14293360), (10, 12864024), (12, 10720020), (15, 8576016), (16, 8040015), (18, 7146680), (20, 6432012), (24, 5360010), (30, 4288008), (36, 3573340), (40, 3216006), (45, 2858672), (48, 2680005), (60, 2144004), (72, 1786670), (80, 1608003), (90, 1429336), (120, 1072002), (144, 893335), (180, 714668), (240, 536001), (360, 357334), (373, 344880), (479, 268560), (720, 178667), (746, 172440), (958, 134280), (1119, 114960), (1437, 89520), (1492, 86220), (1865, 68976), (1916, 67140), (2238, 57480), (2395, 53712), (2874, 44760), (2984, 43110), (3357, 38320), (3730, 34488), (3832, 33570), (4311, 29840), (4476, 28740), (4790, 26856), (5595, 22992), (5748, 22380), (5968, 21555), (6714, 19160), (7185, 17904), (7460, 17244), (7664, 16785), (8622, 14920), (8952, 14370), (9580, 13428), (11190, 11496)]