209972779920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1\times {\mathrm{11689}}^1$

素因数の和:12178

約数の個数: 240

約数和(自身を含む): 718532396400

約数和(自身を除く): 508559616480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 409, 488, 549, 610, 720, 732, 818, 915, 976, 1098, 1220, 1227, 1464, 1636, 1830, 2045, 2196, 2440, 2454, 2745, 2928, 3272, 3660, 3681, 4090, 4392, 4880, 4908, 5490, 6135, 6544, 7320, 7362, 8180, 8784, 9816, 10980, 11689, 12270, 14640, 14724, 16360, 18405, 19632, 21960, 23378, 24540, 24949, 29448, 32720, 35067, 36810, 43920, 46756, 49080, 49898, 58445, 58896, 70134, 73620, 74847, 93512, 98160, 99796, 105201, 116890, 124745, 140268, 147240, 149694, 175335, 187024, 199592, 210402, 224541, 233780, 249490, 280536, 294480, 299388, 350670, 374235, 399184, 420804, 449082, 467560, 498980, 526005, 561072, 598776, 701340, 713029, 748470, 841608, 898164, 935120, 997960, 1052010, 1122705, 1197552, 1402680, 1426058, 1496940, 1683216, 1796328, 1995920, 2104020, 2139087, 2245410, 2805360, 2852116, 2993880, 3565145, 3592656, 4208040, 4278174, 4490820, 4780801, 5704232, 5987760, 6417261, 7130290, 8416080, 8556348, 8981640, 9561602, 10695435, 11408464, 12834522, 14260580, 14342403, 17112696, 17963280, 19123204, 21390870, 23904005, 25669044, 28521160, 28684806, 32086305, 34225392, 38246408, 42781740, 43027209, 47808010, 51338088, 57042320, 57369612, 64172610, 71712015, 76492816, 85563480, 86054418, 95616020, 102676176, 114739224, 128345220, 143424030, 171126960, 172108836, 191232040, 215136045, 229478448, 256690440, 286848060, 291628861, 344217672, 382464080, 430272090, 513380880, 573696120, 583257722, 688435344, 860544180, 874886583, 1147392240, 1166515444, 1458144305, 1721088360, 1749773166, 2333030888, 2624659749, 2916288610, 3442176720, 3499546332, 4374432915, 4666061776, 5249319498, 5832577220, 6999092664, 8748865830, 10498638996, 11665154440, 13123298745, 13998185328, 17497731660, 20997277992, 23330308880, 26246597490, 34995463320, 41994555984, 52493194980, 69990926640, 104986389960, 209972779920]

約数ペア:

[(1, 209972779920), (2, 104986389960), (3, 69990926640), (4, 52493194980), (5, 41994555984), (6, 34995463320), (8, 26246597490), (9, 23330308880), (10, 20997277992), (12, 17497731660), (15, 13998185328), (16, 13123298745), (18, 11665154440), (20, 10498638996), (24, 8748865830), (30, 6999092664), (36, 5832577220), (40, 5249319498), (45, 4666061776), (48, 4374432915), (60, 3499546332), (61, 3442176720), (72, 2916288610), (80, 2624659749), (90, 2333030888), (120, 1749773166), (122, 1721088360), (144, 1458144305), (180, 1166515444), (183, 1147392240), (240, 874886583), (244, 860544180), (305, 688435344), (360, 583257722), (366, 573696120), (409, 513380880), (488, 430272090), (549, 382464080), (610, 344217672), (720, 291628861), (732, 286848060), (818, 256690440), (915, 229478448), (976, 215136045), (1098, 191232040), (1220, 172108836), (1227, 171126960), (1464, 143424030), (1636, 128345220), (1830, 114739224), (2045, 102676176), (2196, 95616020), (2440, 86054418), (2454, 85563480), (2745, 76492816), (2928, 71712015), (3272, 64172610), (3660, 57369612), (3681, 57042320), (4090, 51338088), (4392, 47808010), (4880, 43027209), (4908, 42781740), (5490, 38246408), (6135, 34225392), (6544, 32086305), (7320, 28684806), (7362, 28521160), (8180, 25669044), (8784, 23904005), (9816, 21390870), (10980, 19123204), (11689, 17963280), (12270, 17112696), (14640, 14342403), (14724, 14260580), (16360, 12834522), (18405, 11408464), (19632, 10695435), (21960, 9561602), (23378, 8981640), (24540, 8556348), (24949, 8416080), (29448, 7130290), (32720, 6417261), (35067, 5987760), (36810, 5704232), (43920, 4780801), (46756, 4490820), (49080, 4278174), (49898, 4208040), (58445, 3592656), (58896, 3565145), (70134, 2993880), (73620, 2852116), (74847, 2805360), (93512, 2245410), (98160, 2139087), (99796, 2104020), (105201, 1995920), (116890, 1796328), (124745, 1683216), (140268, 1496940), (147240, 1426058), (149694, 1402680), (175335, 1197552), (187024, 1122705), (199592, 1052010), (210402, 997960), (224541, 935120), (233780, 898164), (249490, 841608), (280536, 748470), (294480, 713029), (299388, 701340), (350670, 598776), (374235, 561072), (399184, 526005), (420804, 498980), (449082, 467560)]