About the Number

128580480

128580479 ← → 128580481

2進数表記:111101010011111101110000000

漢数字表記:一億二千八百五十八万四百八十

素因数分解:

2 7 × 3 3 × 5 1 × 7 1 × 1063 1

素因数の和:1098
約数の個数: 256
約数和(自身を含む): 520934400
約数和(自身を除く): 392353920

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 840, 864, 896, 945, 960, 1008, 1063, 1080, 1120, 1152, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 1920, 2016, 2126, 2160, 2240, 2520, 2688, 2880, 3024, 3189, 3360, 3456, 3780, 4032, 4252, 4320, 4480, 5040, 5315, 5760, 6048, 6378, 6720, 7441, 7560, 8064, 8504, 8640, 9567, 10080, 10630, 12096, 12756, 13440, 14882, 15120, 15945, 17008, 17280, 19134, 20160, 21260, 22323, 24192, 25512, 28701, 29764, 30240, 31890, 34016, 37205, 38268, 40320, 42520, 44646, 47835, 51024, 57402, 59528, 60480, 63780, 66969, 68032, 74410, 76536, 85040, 89292, 95670, 102048, 111615, 114804, 119056, 120960, 127560, 133938, 136064, 143505, 148820, 153072, 170080, 178584, 191340, 200907, 204096, 223230, 229608, 238112, 255120, 267876, 287010, 297640, 306144, 334845, 340160, 357168, 382680, 401814, 408192, 446460, 459216, 476224, 510240, 535752, 574020, 595280, 612288, 669690, 680320, 714336, 765360, 803628, 892920, 918432, 952448, 1004535, 1020480, 1071504, 1148040, 1190560, 1224576, 1339380, 1428672, 1530720, 1607256, 1785840, 1836864, 2009070, 2040960, 2143008, 2296080, 2381120, 2678760, 2857344, 3061440, 3214512, 3571680, 3673728, 4018140, 4286016, 4592160, 4762240, 5357520, 6122880, 6429024, 7143360, 8036280, 8572032, 9184320, 10715040, 12858048, 14286720, 16072560, 18368640, 21430080, 25716096, 32145120, 42860160, 64290240, 128580480]

約数ペア:
[(1, 128580480), (2, 64290240), (3, 42860160), (4, 32145120), (5, 25716096), (6, 21430080), (7, 18368640), (8, 16072560), (9, 14286720), (10, 12858048), (12, 10715040), (14, 9184320), (15, 8572032), (16, 8036280), (18, 7143360), (20, 6429024), (21, 6122880), (24, 5357520), (27, 4762240), (28, 4592160), (30, 4286016), (32, 4018140), (35, 3673728), (36, 3571680), (40, 3214512), (42, 3061440), (45, 2857344), (48, 2678760), (54, 2381120), (56, 2296080), (60, 2143008), (63, 2040960), (64, 2009070), (70, 1836864), (72, 1785840), (80, 1607256), (84, 1530720), (90, 1428672), (96, 1339380), (105, 1224576), (108, 1190560), (112, 1148040), (120, 1071504), (126, 1020480), (128, 1004535), (135, 952448), (140, 918432), (144, 892920), (160, 803628), (168, 765360), (180, 714336), (189, 680320), (192, 669690), (210, 612288), (216, 595280), (224, 574020), (240, 535752), (252, 510240), (270, 476224), (280, 459216), (288, 446460), (315, 408192), (320, 401814), (336, 382680), (360, 357168), (378, 340160), (384, 334845), (420, 306144), (432, 297640), (448, 287010), (480, 267876), (504, 255120), (540, 238112), (560, 229608), (576, 223230), (630, 204096), (640, 200907), (672, 191340), (720, 178584), (756, 170080), (840, 153072), (864, 148820), (896, 143505), (945, 136064), (960, 133938), (1008, 127560), (1063, 120960), (1080, 119056), (1120, 114804), (1152, 111615), (1260, 102048), (1344, 95670), (1440, 89292), (1512, 85040), (1680, 76536), (1728, 74410), (1890, 68032), (1920, 66969), (2016, 63780), (2126, 60480), (2160, 59528), (2240, 57402), (2520, 51024), (2688, 47835), (2880, 44646), (3024, 42520), (3189, 40320), (3360, 38268), (3456, 37205), (3780, 34016), (4032, 31890), (4252, 30240), (4320, 29764), (4480, 28701), (5040, 25512), (5315, 24192), (5760, 22323), (6048, 21260), (6378, 20160), (6720, 19134), (7441, 17280), (7560, 17008), (8064, 15945), (8504, 15120), (8640, 14882), (9567, 13440), (10080, 12756), (10630, 12096)]

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