1990973760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:649

約数の個数: 224

約数和(自身を含む): 6583680000

約数和(自身を除く): 4592706240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 149, 155, 160, 186, 192, 240, 248, 298, 310, 320, 372, 447, 449, 465, 480, 496, 596, 620, 744, 745, 894, 898, 930, 960, 992, 1192, 1240, 1347, 1488, 1490, 1788, 1796, 1860, 1984, 2235, 2245, 2384, 2480, 2694, 2976, 2980, 3576, 3592, 3720, 4470, 4490, 4619, 4768, 4960, 5388, 5952, 5960, 6735, 7152, 7184, 7440, 8940, 8980, 9238, 9536, 9920, 10776, 11920, 13470, 13857, 13919, 14304, 14368, 14880, 17880, 17960, 18476, 21552, 23095, 23840, 26940, 27714, 27838, 28608, 28736, 29760, 35760, 35920, 36952, 41757, 43104, 46190, 47680, 53880, 55428, 55676, 66901, 69285, 69595, 71520, 71840, 73904, 83514, 86208, 92380, 107760, 110856, 111352, 133802, 138570, 139190, 143040, 143680, 147808, 167028, 184760, 200703, 208785, 215520, 221712, 222704, 267604, 277140, 278380, 295616, 334056, 334505, 369520, 401406, 417570, 431040, 443424, 445408, 535208, 554280, 556760, 668112, 669010, 739040, 802812, 835140, 886848, 890816, 1003515, 1070416, 1108560, 1113520, 1336224, 1338020, 1478080, 1605624, 1670280, 2007030, 2073931, 2140832, 2217120, 2227040, 2672448, 2676040, 3211248, 3340560, 4014060, 4147862, 4281664, 4434240, 4454080, 5352080, 6221793, 6422496, 6681120, 8028120, 8295724, 10369655, 10704160, 12443586, 12844992, 13362240, 16056240, 16591448, 20739310, 21408320, 24887172, 31108965, 32112480, 33182896, 41478620, 49774344, 62217930, 64224960, 66365792, 82957240, 99548688, 124435860, 132731584, 165914480, 199097376, 248871720, 331828960, 398194752, 497743440, 663657920, 995486880, 1990973760]

約数ペア:

[(1, 1990973760), (2, 995486880), (3, 663657920), (4, 497743440), (5, 398194752), (6, 331828960), (8, 248871720), (10, 199097376), (12, 165914480), (15, 132731584), (16, 124435860), (20, 99548688), (24, 82957240), (30, 66365792), (31, 64224960), (32, 62217930), (40, 49774344), (48, 41478620), (60, 33182896), (62, 32112480), (64, 31108965), (80, 24887172), (93, 21408320), (96, 20739310), (120, 16591448), (124, 16056240), (149, 13362240), (155, 12844992), (160, 12443586), (186, 10704160), (192, 10369655), (240, 8295724), (248, 8028120), (298, 6681120), (310, 6422496), (320, 6221793), (372, 5352080), (447, 4454080), (449, 4434240), (465, 4281664), (480, 4147862), (496, 4014060), (596, 3340560), (620, 3211248), (744, 2676040), (745, 2672448), (894, 2227040), (898, 2217120), (930, 2140832), (960, 2073931), (992, 2007030), (1192, 1670280), (1240, 1605624), (1347, 1478080), (1488, 1338020), (1490, 1336224), (1788, 1113520), (1796, 1108560), (1860, 1070416), (1984, 1003515), (2235, 890816), (2245, 886848), (2384, 835140), (2480, 802812), (2694, 739040), (2976, 669010), (2980, 668112), (3576, 556760), (3592, 554280), (3720, 535208), (4470, 445408), (4490, 443424), (4619, 431040), (4768, 417570), (4960, 401406), (5388, 369520), (5952, 334505), (5960, 334056), (6735, 295616), (7152, 278380), (7184, 277140), (7440, 267604), (8940, 222704), (8980, 221712), (9238, 215520), (9536, 208785), (9920, 200703), (10776, 184760), (11920, 167028), (13470, 147808), (13857, 143680), (13919, 143040), (14304, 139190), (14368, 138570), (14880, 133802), (17880, 111352), (17960, 110856), (18476, 107760), (21552, 92380), (23095, 86208), (23840, 83514), (26940, 73904), (27714, 71840), (27838, 71520), (28608, 69595), (28736, 69285), (29760, 66901), (35760, 55676), (35920, 55428), (36952, 53880), (41757, 47680), (43104, 46190)]