645079680

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{5333}}^1$

素因数の和:5368

約数の個数: 256

約数和(自身を含む): 2611526400

約数和(自身を除く): 1966446720

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, 1080, 1120, 1152, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 1920, 2016, 2160, 2240, 2520, 2688, 2880, 3024, 3360, 3456, 3780, 4032, 4320, 4480, 5040, 5333, 5760, 6048, 6720, 7560, 8064, 8640, 10080, 10666, 12096, 13440, 15120, 15999, 17280, 20160, 21332, 24192, 26665, 30240, 31998, 37331, 40320, 42664, 47997, 53330, 60480, 63996, 74662, 79995, 85328, 95994, 106660, 111993, 120960, 127992, 143991, 149324, 159990, 170656, 186655, 191988, 213320, 223986, 239985, 255984, 287982, 298648, 319980, 335979, 341312, 373310, 383976, 426640, 447972, 479970, 511968, 559965, 575964, 597296, 639960, 671958, 682624, 719955, 746620, 767952, 853280, 895944, 959940, 1007937, 1023936, 1119930, 1151928, 1194592, 1279920, 1343916, 1439910, 1493240, 1535904, 1679895, 1706560, 1791888, 1919880, 2015874, 2047872, 2239860, 2303856, 2389184, 2559840, 2687832, 2879820, 2986480, 3071808, 3359790, 3413120, 3583776, 3839760, 4031748, 4479720, 4607712, 4778368, 5039685, 5119680, 5375664, 5759640, 5972960, 6143616, 6719580, 7167552, 7679520, 8063496, 8959440, 9215424, 10079370, 10239360, 10751328, 11519280, 11945920, 13439160, 14335104, 15359040, 16126992, 17918880, 18430848, 20158740, 21502656, 23038560, 23891840, 26878320, 30718080, 32253984, 35837760, 40317480, 43005312, 46077120, 53756640, 64507968, 71675520, 80634960, 92154240, 107513280, 129015936, 161269920, 215026560, 322539840, 645079680]

約数ペア:

[(1, 645079680), (2, 322539840), (3, 215026560), (4, 161269920), (5, 129015936), (6, 107513280), (7, 92154240), (8, 80634960), (9, 71675520), (10, 64507968), (12, 53756640), (14, 46077120), (15, 43005312), (16, 40317480), (18, 35837760), (20, 32253984), (21, 30718080), (24, 26878320), (27, 23891840), (28, 23038560), (30, 21502656), (32, 20158740), (35, 18430848), (36, 17918880), (40, 16126992), (42, 15359040), (45, 14335104), (48, 13439160), (54, 11945920), (56, 11519280), (60, 10751328), (63, 10239360), (64, 10079370), (70, 9215424), (72, 8959440), (80, 8063496), (84, 7679520), (90, 7167552), (96, 6719580), (105, 6143616), (108, 5972960), (112, 5759640), (120, 5375664), (126, 5119680), (128, 5039685), (135, 4778368), (140, 4607712), (144, 4479720), (160, 4031748), (168, 3839760), (180, 3583776), (189, 3413120), (192, 3359790), (210, 3071808), (216, 2986480), (224, 2879820), (240, 2687832), (252, 2559840), (270, 2389184), (280, 2303856), (288, 2239860), (315, 2047872), (320, 2015874), (336, 1919880), (360, 1791888), (378, 1706560), (384, 1679895), (420, 1535904), (432, 1493240), (448, 1439910), (480, 1343916), (504, 1279920), (540, 1194592), (560, 1151928), (576, 1119930), (630, 1023936), (640, 1007937), (672, 959940), (720, 895944), (756, 853280), (840, 767952), (864, 746620), (896, 719955), (945, 682624), (960, 671958), (1008, 639960), (1080, 597296), (1120, 575964), (1152, 559965), (1260, 511968), (1344, 479970), (1440, 447972), (1512, 426640), (1680, 383976), (1728, 373310), (1890, 341312), (1920, 335979), (2016, 319980), (2160, 298648), (2240, 287982), (2520, 255984), (2688, 239985), (2880, 223986), (3024, 213320), (3360, 191988), (3456, 186655), (3780, 170656), (4032, 159990), (4320, 149324), (4480, 143991), (5040, 127992), (5333, 120960), (5760, 111993), (6048, 106660), (6720, 95994), (7560, 85328), (8064, 79995), (8640, 74662), (10080, 63996), (10666, 60480), (12096, 53330), (13440, 47997), (15120, 42664), (15999, 40320), (17280, 37331), (20160, 31998), (21332, 30240), (24192, 26665)]