128006400

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:201

約数の個数: 216

約数和(自身を含む): 433409760

約数和(自身を除く): 305403360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 59, 60, 64, 75, 80, 96, 100, 113, 118, 120, 128, 150, 160, 177, 192, 200, 226, 236, 240, 256, 295, 300, 320, 339, 354, 384, 400, 452, 472, 480, 565, 590, 600, 640, 678, 708, 768, 800, 885, 904, 944, 960, 1130, 1180, 1200, 1280, 1356, 1416, 1475, 1600, 1695, 1770, 1808, 1888, 1920, 2260, 2360, 2400, 2712, 2825, 2832, 2950, 3200, 3390, 3540, 3616, 3776, 3840, 4425, 4520, 4720, 4800, 5424, 5650, 5664, 5900, 6400, 6667, 6780, 7080, 7232, 7552, 8475, 8850, 9040, 9440, 9600, 10848, 11300, 11328, 11800, 13334, 13560, 14160, 14464, 15104, 16950, 17700, 18080, 18880, 19200, 20001, 21696, 22600, 22656, 23600, 26668, 27120, 28320, 28928, 33335, 33900, 35400, 36160, 37760, 40002, 43392, 45200, 45312, 47200, 53336, 54240, 56640, 66670, 67800, 70800, 72320, 75520, 80004, 86784, 90400, 94400, 100005, 106672, 108480, 113280, 133340, 135600, 141600, 144640, 160008, 166675, 180800, 188800, 200010, 213344, 216960, 226560, 266680, 271200, 283200, 320016, 333350, 361600, 377600, 400020, 426688, 433920, 500025, 533360, 542400, 566400, 640032, 666700, 723200, 800040, 853376, 1000050, 1066720, 1084800, 1132800, 1280064, 1333400, 1600080, 1706752, 2000100, 2133440, 2169600, 2560128, 2666800, 3200160, 4000200, 4266880, 5120256, 5333600, 6400320, 8000400, 8533760, 10667200, 12800640, 16000800, 21334400, 25601280, 32001600, 42668800, 64003200, 128006400]

約数ペア:

[(1, 128006400), (2, 64003200), (3, 42668800), (4, 32001600), (5, 25601280), (6, 21334400), (8, 16000800), (10, 12800640), (12, 10667200), (15, 8533760), (16, 8000400), (20, 6400320), (24, 5333600), (25, 5120256), (30, 4266880), (32, 4000200), (40, 3200160), (48, 2666800), (50, 2560128), (59, 2169600), (60, 2133440), (64, 2000100), (75, 1706752), (80, 1600080), (96, 1333400), (100, 1280064), (113, 1132800), (118, 1084800), (120, 1066720), (128, 1000050), (150, 853376), (160, 800040), (177, 723200), (192, 666700), (200, 640032), (226, 566400), (236, 542400), (240, 533360), (256, 500025), (295, 433920), (300, 426688), (320, 400020), (339, 377600), (354, 361600), (384, 333350), (400, 320016), (452, 283200), (472, 271200), (480, 266680), (565, 226560), (590, 216960), (600, 213344), (640, 200010), (678, 188800), (708, 180800), (768, 166675), (800, 160008), (885, 144640), (904, 141600), (944, 135600), (960, 133340), (1130, 113280), (1180, 108480), (1200, 106672), (1280, 100005), (1356, 94400), (1416, 90400), (1475, 86784), (1600, 80004), (1695, 75520), (1770, 72320), (1808, 70800), (1888, 67800), (1920, 66670), (2260, 56640), (2360, 54240), (2400, 53336), (2712, 47200), (2825, 45312), (2832, 45200), (2950, 43392), (3200, 40002), (3390, 37760), (3540, 36160), (3616, 35400), (3776, 33900), (3840, 33335), (4425, 28928), (4520, 28320), (4720, 27120), (4800, 26668), (5424, 23600), (5650, 22656), (5664, 22600), (5900, 21696), (6400, 20001), (6667, 19200), (6780, 18880), (7080, 18080), (7232, 17700), (7552, 16950), (8475, 15104), (8850, 14464), (9040, 14160), (9440, 13560), (9600, 13334), (10848, 11800), (11300, 11328)]