820961994960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{937}}^1\times {\mathrm{19949}}^1$

素因数の和:20966

約数の個数: 240

約数和(自身を含む): 2805393099600

約数和(自身を除く): 1984431104640

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, 488, 549, 610, 720, 732, 915, 937, 976, 1098, 1220, 1464, 1830, 1874, 2196, 2440, 2745, 2811, 2928, 3660, 3748, 4392, 4685, 4880, 5490, 5622, 7320, 7496, 8433, 8784, 9370, 10980, 11244, 14055, 14640, 14992, 16866, 18740, 19949, 21960, 22488, 28110, 33732, 37480, 39898, 42165, 43920, 44976, 56220, 57157, 59847, 67464, 74960, 79796, 84330, 99745, 112440, 114314, 119694, 134928, 159592, 168660, 171471, 179541, 199490, 224880, 228628, 239388, 285785, 299235, 319184, 337320, 342942, 359082, 398980, 457256, 478776, 514413, 571570, 598470, 674640, 685884, 718164, 797960, 857355, 897705, 914512, 957552, 1028826, 1143140, 1196940, 1216889, 1371768, 1436328, 1595920, 1714710, 1795410, 2057652, 2286280, 2393880, 2433778, 2572065, 2743536, 2872656, 3429420, 3590820, 3650667, 4115304, 4572560, 4787760, 4867556, 5144130, 6084445, 6858840, 7181640, 7301334, 8230608, 9735112, 10288260, 10952001, 12168890, 13717680, 14363280, 14602668, 18253335, 18692213, 19470224, 20576520, 21904002, 24337780, 29205336, 36506670, 37384426, 41153040, 43808004, 48675560, 54760005, 56076639, 58410672, 73013340, 74768852, 87616008, 93461065, 97351120, 109520010, 112153278, 146026680, 149537704, 168229917, 175232016, 186922130, 219040020, 224306556, 280383195, 292053360, 299075408, 336459834, 373844260, 438080040, 448613112, 560766390, 672919668, 747688520, 841149585, 876160080, 897226224, 1121532780, 1140224993, 1345839336, 1495377040, 1682299170, 2243065560, 2280449986, 2691678672, 3364598340, 3420674979, 4486131120, 4560899972, 5701124965, 6729196680, 6841349958, 9121799944, 10262024937, 11402249930, 13458393360, 13682699916, 17103374895, 18243599888, 20524049874, 22804499860, 27365399832, 34206749790, 41048099748, 45608999720, 51310124685, 54730799664, 68413499580, 82096199496, 91217999440, 102620249370, 136826999160, 164192398992, 205240498740, 273653998320, 410480997480, 820961994960]

約数ペア:

[(1, 820961994960), (2, 410480997480), (3, 273653998320), (4, 205240498740), (5, 164192398992), (6, 136826999160), (8, 102620249370), (9, 91217999440), (10, 82096199496), (12, 68413499580), (15, 54730799664), (16, 51310124685), (18, 45608999720), (20, 41048099748), (24, 34206749790), (30, 27365399832), (36, 22804499860), (40, 20524049874), (45, 18243599888), (48, 17103374895), (60, 13682699916), (61, 13458393360), (72, 11402249930), (80, 10262024937), (90, 9121799944), (120, 6841349958), (122, 6729196680), (144, 5701124965), (180, 4560899972), (183, 4486131120), (240, 3420674979), (244, 3364598340), (305, 2691678672), (360, 2280449986), (366, 2243065560), (488, 1682299170), (549, 1495377040), (610, 1345839336), (720, 1140224993), (732, 1121532780), (915, 897226224), (937, 876160080), (976, 841149585), (1098, 747688520), (1220, 672919668), (1464, 560766390), (1830, 448613112), (1874, 438080040), (2196, 373844260), (2440, 336459834), (2745, 299075408), (2811, 292053360), (2928, 280383195), (3660, 224306556), (3748, 219040020), (4392, 186922130), (4685, 175232016), (4880, 168229917), (5490, 149537704), (5622, 146026680), (7320, 112153278), (7496, 109520010), (8433, 97351120), (8784, 93461065), (9370, 87616008), (10980, 74768852), (11244, 73013340), (14055, 58410672), (14640, 56076639), (14992, 54760005), (16866, 48675560), (18740, 43808004), (19949, 41153040), (21960, 37384426), (22488, 36506670), (28110, 29205336), (33732, 24337780), (37480, 21904002), (39898, 20576520), (42165, 19470224), (43920, 18692213), (44976, 18253335), (56220, 14602668), (57157, 14363280), (59847, 13717680), (67464, 12168890), (74960, 10952001), (79796, 10288260), (84330, 9735112), (99745, 8230608), (112440, 7301334), (114314, 7181640), (119694, 6858840), (134928, 6084445), (159592, 5144130), (168660, 4867556), (171471, 4787760), (179541, 4572560), (199490, 4115304), (224880, 3650667), (228628, 3590820), (239388, 3429420), (285785, 2872656), (299235, 2743536), (319184, 2572065), (337320, 2433778), (342942, 2393880), (359082, 2286280), (398980, 2057652), (457256, 1795410), (478776, 1714710), (514413, 1595920), (571570, 1436328), (598470, 1371768), (674640, 1216889), (685884, 1196940), (718164, 1143140), (797960, 1028826), (857355, 957552), (897705, 914512)]