204882720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:344

約数の個数: 288

約数和(自身を含む): 777724416

約数和(自身を除く): 572841696

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 49, 56, 60, 62, 70, 80, 84, 93, 96, 98, 105, 112, 120, 124, 140, 147, 155, 160, 168, 186, 196, 210, 217, 224, 240, 245, 248, 280, 281, 294, 310, 336, 372, 392, 420, 434, 465, 480, 490, 496, 560, 562, 588, 620, 651, 672, 735, 744, 784, 840, 843, 868, 930, 980, 992, 1085, 1120, 1124, 1176, 1240, 1302, 1405, 1470, 1488, 1519, 1568, 1680, 1686, 1736, 1860, 1960, 1967, 2170, 2248, 2352, 2480, 2604, 2810, 2940, 2976, 3038, 3255, 3360, 3372, 3472, 3720, 3920, 3934, 4215, 4340, 4496, 4557, 4704, 4960, 5208, 5620, 5880, 5901, 6076, 6510, 6744, 6944, 7440, 7595, 7840, 7868, 8430, 8680, 8711, 8992, 9114, 9835, 10416, 11240, 11760, 11802, 12152, 13020, 13488, 13769, 14880, 15190, 15736, 16860, 17360, 17422, 18228, 19670, 20832, 22480, 22785, 23520, 23604, 24304, 26040, 26133, 26976, 27538, 29505, 30380, 31472, 33720, 34720, 34844, 36456, 39340, 41307, 43555, 44960, 45570, 47208, 48608, 52080, 52266, 55076, 59010, 60760, 60977, 62944, 67440, 68845, 69688, 72912, 78680, 82614, 87110, 91140, 94416, 104160, 104532, 110152, 118020, 121520, 121954, 130665, 134880, 137690, 139376, 145824, 157360, 165228, 174220, 182280, 182931, 188832, 206535, 209064, 220304, 236040, 243040, 243908, 261330, 275380, 278752, 304885, 314720, 330456, 348440, 364560, 365862, 413070, 418128, 426839, 440608, 472080, 487816, 522660, 550760, 609770, 660912, 696880, 729120, 731724, 826140, 836256, 853678, 914655, 944160, 975632, 1045320, 1101520, 1219540, 1280517, 1321824, 1393760, 1463448, 1652280, 1707356, 1829310, 1951264, 2090640, 2134195, 2203040, 2439080, 2561034, 2926896, 3304560, 3414712, 3658620, 4181280, 4268390, 4878160, 5122068, 5853792, 6402585, 6609120, 6829424, 7317240, 8536780, 9756320, 10244136, 12805170, 13658848, 14634480, 17073560, 20488272, 25610340, 29268960, 34147120, 40976544, 51220680, 68294240, 102441360, 204882720]

約数ペア:

[(1, 204882720), (2, 102441360), (3, 68294240), (4, 51220680), (5, 40976544), (6, 34147120), (7, 29268960), (8, 25610340), (10, 20488272), (12, 17073560), (14, 14634480), (15, 13658848), (16, 12805170), (20, 10244136), (21, 9756320), (24, 8536780), (28, 7317240), (30, 6829424), (31, 6609120), (32, 6402585), (35, 5853792), (40, 5122068), (42, 4878160), (48, 4268390), (49, 4181280), (56, 3658620), (60, 3414712), (62, 3304560), (70, 2926896), (80, 2561034), (84, 2439080), (93, 2203040), (96, 2134195), (98, 2090640), (105, 1951264), (112, 1829310), (120, 1707356), (124, 1652280), (140, 1463448), (147, 1393760), (155, 1321824), (160, 1280517), (168, 1219540), (186, 1101520), (196, 1045320), (210, 975632), (217, 944160), (224, 914655), (240, 853678), (245, 836256), (248, 826140), (280, 731724), (281, 729120), (294, 696880), (310, 660912), (336, 609770), (372, 550760), (392, 522660), (420, 487816), (434, 472080), (465, 440608), (480, 426839), (490, 418128), (496, 413070), (560, 365862), (562, 364560), (588, 348440), (620, 330456), (651, 314720), (672, 304885), (735, 278752), (744, 275380), (784, 261330), (840, 243908), (843, 243040), (868, 236040), (930, 220304), (980, 209064), (992, 206535), (1085, 188832), (1120, 182931), (1124, 182280), (1176, 174220), (1240, 165228), (1302, 157360), (1405, 145824), (1470, 139376), (1488, 137690), (1519, 134880), (1568, 130665), (1680, 121954), (1686, 121520), (1736, 118020), (1860, 110152), (1960, 104532), (1967, 104160), (2170, 94416), (2248, 91140), (2352, 87110), (2480, 82614), (2604, 78680), (2810, 72912), (2940, 69688), (2976, 68845), (3038, 67440), (3255, 62944), (3360, 60977), (3372, 60760), (3472, 59010), (3720, 55076), (3920, 52266), (3934, 52080), (4215, 48608), (4340, 47208), (4496, 45570), (4557, 44960), (4704, 43555), (4960, 41307), (5208, 39340), (5620, 36456), (5880, 34844), (5901, 34720), (6076, 33720), (6510, 31472), (6744, 30380), (6944, 29505), (7440, 27538), (7595, 26976), (7840, 26133), (7868, 26040), (8430, 24304), (8680, 23604), (8711, 23520), (8992, 22785), (9114, 22480), (9835, 20832), (10416, 19670), (11240, 18228), (11760, 17422), (11802, 17360), (12152, 16860), (13020, 15736), (13488, 15190), (13769, 14880)]