1908416640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{487}}^1$

素因数の和:679

約数の個数: 256

約数和(自身を含む): 6606270720

約数和(自身を除く): 4697854080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 157, 160, 192, 195, 208, 240, 260, 312, 314, 320, 384, 390, 416, 471, 480, 487, 520, 624, 628, 640, 780, 785, 832, 942, 960, 974, 1040, 1248, 1256, 1461, 1560, 1570, 1664, 1884, 1920, 1948, 2041, 2080, 2355, 2435, 2496, 2512, 2922, 3120, 3140, 3768, 3896, 4082, 4160, 4710, 4870, 4992, 5024, 5844, 6123, 6240, 6280, 6331, 7305, 7536, 7792, 8164, 8320, 9420, 9740, 10048, 10205, 11688, 12246, 12480, 12560, 12662, 14610, 15072, 15584, 16328, 18840, 18993, 19480, 20096, 20410, 23376, 24492, 24960, 25120, 25324, 29220, 30144, 30615, 31168, 31655, 32656, 37680, 37986, 38960, 40820, 46752, 48984, 50240, 50648, 58440, 60288, 61230, 62336, 63310, 65312, 75360, 75972, 76459, 77920, 81640, 93504, 94965, 97968, 100480, 101296, 116880, 122460, 126620, 130624, 150720, 151944, 152918, 155840, 163280, 187008, 189930, 195936, 202592, 229377, 233760, 244920, 253240, 261248, 301440, 303888, 305836, 311680, 326560, 379860, 382295, 391872, 405184, 458754, 467520, 489840, 506480, 607776, 611672, 653120, 759720, 764590, 783744, 810368, 917508, 935040, 979680, 993967, 1012960, 1146885, 1215552, 1223344, 1306240, 1519440, 1529180, 1835016, 1959360, 1987934, 2025920, 2293770, 2431104, 2446688, 2981901, 3038880, 3058360, 3670032, 3918720, 3975868, 4051840, 4587540, 4893376, 4969835, 5963802, 6077760, 6116720, 7340064, 7951736, 9175080, 9786752, 9939670, 11927604, 12155520, 12233440, 14680128, 14909505, 15903472, 18350160, 19879340, 23855208, 24466880, 29360256, 29819010, 31806944, 36700320, 39758680, 47710416, 48933760, 59638020, 63613888, 73400640, 79517360, 95420832, 119276040, 127227776, 146801280, 159034720, 190841664, 238552080, 318069440, 381683328, 477104160, 636138880, 954208320, 1908416640]

約数ペア:

[(1, 1908416640), (2, 954208320), (3, 636138880), (4, 477104160), (5, 381683328), (6, 318069440), (8, 238552080), (10, 190841664), (12, 159034720), (13, 146801280), (15, 127227776), (16, 119276040), (20, 95420832), (24, 79517360), (26, 73400640), (30, 63613888), (32, 59638020), (39, 48933760), (40, 47710416), (48, 39758680), (52, 36700320), (60, 31806944), (64, 29819010), (65, 29360256), (78, 24466880), (80, 23855208), (96, 19879340), (104, 18350160), (120, 15903472), (128, 14909505), (130, 14680128), (156, 12233440), (157, 12155520), (160, 11927604), (192, 9939670), (195, 9786752), (208, 9175080), (240, 7951736), (260, 7340064), (312, 6116720), (314, 6077760), (320, 5963802), (384, 4969835), (390, 4893376), (416, 4587540), (471, 4051840), (480, 3975868), (487, 3918720), (520, 3670032), (624, 3058360), (628, 3038880), (640, 2981901), (780, 2446688), (785, 2431104), (832, 2293770), (942, 2025920), (960, 1987934), (974, 1959360), (1040, 1835016), (1248, 1529180), (1256, 1519440), (1461, 1306240), (1560, 1223344), (1570, 1215552), (1664, 1146885), (1884, 1012960), (1920, 993967), (1948, 979680), (2041, 935040), (2080, 917508), (2355, 810368), (2435, 783744), (2496, 764590), (2512, 759720), (2922, 653120), (3120, 611672), (3140, 607776), (3768, 506480), (3896, 489840), (4082, 467520), (4160, 458754), (4710, 405184), (4870, 391872), (4992, 382295), (5024, 379860), (5844, 326560), (6123, 311680), (6240, 305836), (6280, 303888), (6331, 301440), (7305, 261248), (7536, 253240), (7792, 244920), (8164, 233760), (8320, 229377), (9420, 202592), (9740, 195936), (10048, 189930), (10205, 187008), (11688, 163280), (12246, 155840), (12480, 152918), (12560, 151944), (12662, 150720), (14610, 130624), (15072, 126620), (15584, 122460), (16328, 116880), (18840, 101296), (18993, 100480), (19480, 97968), (20096, 94965), (20410, 93504), (23376, 81640), (24492, 77920), (24960, 76459), (25120, 75972), (25324, 75360), (29220, 65312), (30144, 63310), (30615, 62336), (31168, 61230), (31655, 60288), (32656, 58440), (37680, 50648), (37986, 50240), (38960, 48984), (40820, 46752)]