51485280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1$

素因数の和:242

約数の個数: 288

約数和(自身を含む): 206841600

約数和(自身を除く): 155356320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 49, 55, 56, 60, 66, 70, 77, 80, 84, 88, 96, 98, 105, 110, 112, 120, 132, 140, 147, 154, 160, 165, 168, 176, 196, 199, 210, 220, 224, 231, 240, 245, 264, 280, 294, 308, 330, 336, 352, 385, 392, 398, 420, 440, 462, 480, 490, 528, 539, 560, 588, 597, 616, 660, 672, 735, 770, 784, 796, 840, 880, 924, 980, 995, 1056, 1078, 1120, 1155, 1176, 1194, 1232, 1320, 1393, 1470, 1540, 1568, 1592, 1617, 1680, 1760, 1848, 1960, 1990, 2156, 2189, 2310, 2352, 2388, 2464, 2640, 2695, 2786, 2940, 2985, 3080, 3184, 3234, 3360, 3696, 3920, 3980, 4179, 4312, 4378, 4620, 4704, 4776, 5280, 5390, 5572, 5880, 5970, 6160, 6368, 6468, 6567, 6965, 7392, 7840, 7960, 8085, 8358, 8624, 8756, 9240, 9552, 9751, 10780, 10945, 11144, 11760, 11940, 12320, 12936, 13134, 13930, 15323, 15920, 16170, 16716, 17248, 17512, 18480, 19104, 19502, 20895, 21560, 21890, 22288, 23520, 23880, 25872, 26268, 27860, 29253, 30646, 31840, 32340, 32835, 33432, 35024, 36960, 39004, 41790, 43120, 43780, 44576, 45969, 47760, 48755, 51744, 52536, 55720, 58506, 61292, 64680, 65670, 66864, 70048, 76615, 78008, 83580, 86240, 87560, 91938, 95520, 97510, 105072, 107261, 111440, 117012, 122584, 129360, 131340, 133728, 146265, 153230, 156016, 167160, 175120, 183876, 195020, 210144, 214522, 222880, 229845, 234024, 245168, 258720, 262680, 292530, 306460, 312032, 321783, 334320, 350240, 367752, 390040, 429044, 459690, 468048, 490336, 525360, 536305, 585060, 612920, 643566, 668640, 735504, 780080, 858088, 919380, 936096, 1050720, 1072610, 1170120, 1225840, 1287132, 1471008, 1560160, 1608915, 1716176, 1838760, 2145220, 2340240, 2451680, 2574264, 3217830, 3432352, 3677520, 4290440, 4680480, 5148528, 6435660, 7355040, 8580880, 10297056, 12871320, 17161760, 25742640, 51485280]

約数ペア:

[(1, 51485280), (2, 25742640), (3, 17161760), (4, 12871320), (5, 10297056), (6, 8580880), (7, 7355040), (8, 6435660), (10, 5148528), (11, 4680480), (12, 4290440), (14, 3677520), (15, 3432352), (16, 3217830), (20, 2574264), (21, 2451680), (22, 2340240), (24, 2145220), (28, 1838760), (30, 1716176), (32, 1608915), (33, 1560160), (35, 1471008), (40, 1287132), (42, 1225840), (44, 1170120), (48, 1072610), (49, 1050720), (55, 936096), (56, 919380), (60, 858088), (66, 780080), (70, 735504), (77, 668640), (80, 643566), (84, 612920), (88, 585060), (96, 536305), (98, 525360), (105, 490336), (110, 468048), (112, 459690), (120, 429044), (132, 390040), (140, 367752), (147, 350240), (154, 334320), (160, 321783), (165, 312032), (168, 306460), (176, 292530), (196, 262680), (199, 258720), (210, 245168), (220, 234024), (224, 229845), (231, 222880), (240, 214522), (245, 210144), (264, 195020), (280, 183876), (294, 175120), (308, 167160), (330, 156016), (336, 153230), (352, 146265), (385, 133728), (392, 131340), (398, 129360), (420, 122584), (440, 117012), (462, 111440), (480, 107261), (490, 105072), (528, 97510), (539, 95520), (560, 91938), (588, 87560), (597, 86240), (616, 83580), (660, 78008), (672, 76615), (735, 70048), (770, 66864), (784, 65670), (796, 64680), (840, 61292), (880, 58506), (924, 55720), (980, 52536), (995, 51744), (1056, 48755), (1078, 47760), (1120, 45969), (1155, 44576), (1176, 43780), (1194, 43120), (1232, 41790), (1320, 39004), (1393, 36960), (1470, 35024), (1540, 33432), (1568, 32835), (1592, 32340), (1617, 31840), (1680, 30646), (1760, 29253), (1848, 27860), (1960, 26268), (1990, 25872), (2156, 23880), (2189, 23520), (2310, 22288), (2352, 21890), (2388, 21560), (2464, 20895), (2640, 19502), (2695, 19104), (2786, 18480), (2940, 17512), (2985, 17248), (3080, 16716), (3184, 16170), (3234, 15920), (3360, 15323), (3696, 13930), (3920, 13134), (3980, 12936), (4179, 12320), (4312, 11940), (4378, 11760), (4620, 11144), (4704, 10945), (4776, 10780), (5280, 9751), (5390, 9552), (5572, 9240), (5880, 8756), (5970, 8624), (6160, 8358), (6368, 8085), (6468, 7960), (6567, 7840), (6965, 7392)]