28320199920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{8681}}^1$

素因数の和:8920

約数の個数: 240

約数和(自身を含む): 99759097152

約数和(自身を除く): 71438897232

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 197, 207, 230, 240, 276, 345, 360, 368, 394, 414, 460, 552, 591, 690, 720, 788, 828, 920, 985, 1035, 1104, 1182, 1380, 1576, 1656, 1773, 1840, 1970, 2070, 2364, 2760, 2955, 3152, 3312, 3546, 3940, 4140, 4531, 4728, 5520, 5910, 7092, 7880, 8280, 8681, 8865, 9062, 9456, 11820, 13593, 14184, 15760, 16560, 17362, 17730, 18124, 22655, 23640, 26043, 27186, 28368, 34724, 35460, 36248, 40779, 43405, 45310, 47280, 52086, 54372, 67965, 69448, 70920, 72496, 78129, 81558, 86810, 90620, 104172, 108744, 130215, 135930, 138896, 141840, 156258, 163116, 173620, 181240, 199663, 203895, 208344, 217488, 260430, 271860, 312516, 326232, 347240, 362480, 390645, 399326, 407790, 416688, 520860, 543720, 598989, 625032, 652464, 694480, 781290, 798652, 815580, 998315, 1041720, 1087440, 1197978, 1250064, 1562580, 1597304, 1631160, 1710157, 1796967, 1996630, 2083440, 2395956, 2994945, 3125160, 3194608, 3262320, 3420314, 3593934, 3993260, 4791912, 5130471, 5989890, 6250320, 6840628, 7187868, 7986520, 8550785, 8984835, 9583824, 10260942, 11979780, 13681256, 14375736, 15391413, 15973040, 17101570, 17969670, 20521884, 23959560, 25652355, 27362512, 28751472, 30782826, 34203140, 35939340, 39333611, 41043768, 47919120, 51304710, 61565652, 68406280, 71878680, 76957065, 78667222, 82087536, 102609420, 118000833, 123131304, 136812560, 143757360, 153914130, 157334444, 196668055, 205218840, 236001666, 246262608, 307828260, 314668888, 354002499, 393336110, 410437680, 472003332, 590004165, 615656520, 629337776, 708004998, 786672220, 944006664, 1180008330, 1231313040, 1416009996, 1573344440, 1770012495, 1888013328, 2360016660, 2832019992, 3146688880, 3540024990, 4720033320, 5664039984, 7080049980, 9440066640, 14160099960, 28320199920]

約数ペア:

[(1, 28320199920), (2, 14160099960), (3, 9440066640), (4, 7080049980), (5, 5664039984), (6, 4720033320), (8, 3540024990), (9, 3146688880), (10, 2832019992), (12, 2360016660), (15, 1888013328), (16, 1770012495), (18, 1573344440), (20, 1416009996), (23, 1231313040), (24, 1180008330), (30, 944006664), (36, 786672220), (40, 708004998), (45, 629337776), (46, 615656520), (48, 590004165), (60, 472003332), (69, 410437680), (72, 393336110), (80, 354002499), (90, 314668888), (92, 307828260), (115, 246262608), (120, 236001666), (138, 205218840), (144, 196668055), (180, 157334444), (184, 153914130), (197, 143757360), (207, 136812560), (230, 123131304), (240, 118000833), (276, 102609420), (345, 82087536), (360, 78667222), (368, 76957065), (394, 71878680), (414, 68406280), (460, 61565652), (552, 51304710), (591, 47919120), (690, 41043768), (720, 39333611), (788, 35939340), (828, 34203140), (920, 30782826), (985, 28751472), (1035, 27362512), (1104, 25652355), (1182, 23959560), (1380, 20521884), (1576, 17969670), (1656, 17101570), (1773, 15973040), (1840, 15391413), (1970, 14375736), (2070, 13681256), (2364, 11979780), (2760, 10260942), (2955, 9583824), (3152, 8984835), (3312, 8550785), (3546, 7986520), (3940, 7187868), (4140, 6840628), (4531, 6250320), (4728, 5989890), (5520, 5130471), (5910, 4791912), (7092, 3993260), (7880, 3593934), (8280, 3420314), (8681, 3262320), (8865, 3194608), (9062, 3125160), (9456, 2994945), (11820, 2395956), (13593, 2083440), (14184, 1996630), (15760, 1796967), (16560, 1710157), (17362, 1631160), (17730, 1597304), (18124, 1562580), (22655, 1250064), (23640, 1197978), (26043, 1087440), (27186, 1041720), (28368, 998315), (34724, 815580), (35460, 798652), (36248, 781290), (40779, 694480), (43405, 652464), (45310, 625032), (47280, 598989), (52086, 543720), (54372, 520860), (67965, 416688), (69448, 407790), (70920, 399326), (72496, 390645), (78129, 362480), (81558, 347240), (86810, 326232), (90620, 312516), (104172, 271860), (108744, 260430), (130215, 217488), (135930, 208344), (138896, 203895), (141840, 199663), (156258, 181240), (163116, 173620)]