51291240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:113

約数の個数: 384

約数和(自身を含む): 213736320

約数和(自身を除く): 162445080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 20, 21, 22, 24, 26, 28, 30, 33, 35, 39, 40, 42, 44, 49, 52, 55, 56, 60, 61, 65, 66, 70, 77, 78, 84, 88, 91, 98, 104, 105, 110, 120, 122, 130, 132, 140, 143, 147, 154, 156, 165, 168, 182, 183, 195, 196, 210, 220, 231, 244, 245, 260, 264, 273, 280, 286, 294, 305, 308, 312, 330, 364, 366, 385, 390, 392, 420, 427, 429, 440, 455, 462, 488, 490, 520, 539, 546, 572, 588, 610, 616, 637, 660, 671, 715, 728, 732, 735, 770, 780, 793, 840, 854, 858, 910, 915, 924, 980, 1001, 1078, 1092, 1144, 1155, 1176, 1220, 1274, 1281, 1320, 1342, 1365, 1430, 1464, 1470, 1540, 1560, 1586, 1617, 1708, 1716, 1820, 1830, 1848, 1911, 1960, 2002, 2013, 2135, 2145, 2156, 2184, 2310, 2379, 2440, 2548, 2562, 2684, 2695, 2730, 2860, 2940, 2989, 3003, 3080, 3172, 3185, 3234, 3355, 3416, 3432, 3640, 3660, 3822, 3965, 4004, 4026, 4270, 4290, 4312, 4620, 4697, 4758, 5005, 5096, 5124, 5368, 5390, 5460, 5551, 5720, 5880, 5978, 6006, 6344, 6370, 6405, 6468, 6710, 7007, 7320, 7644, 7930, 8008, 8052, 8085, 8540, 8580, 8723, 8967, 9240, 9394, 9516, 9555, 10010, 10065, 10248, 10780, 10920, 11102, 11895, 11956, 12012, 12740, 12810, 12936, 13420, 14014, 14091, 14945, 15015, 15288, 15860, 16104, 16170, 16653, 17080, 17160, 17446, 17934, 18788, 19032, 19110, 20020, 20130, 21021, 21560, 22204, 23485, 23790, 23912, 24024, 25480, 25620, 26169, 26840, 27755, 28028, 28182, 29890, 30030, 31720, 32340, 32879, 33306, 34892, 35035, 35868, 37576, 38220, 38857, 40040, 40260, 42042, 43615, 44408, 44835, 46970, 47580, 51240, 52338, 55510, 56056, 56364, 59780, 60060, 61061, 64680, 65758, 66612, 69784, 70070, 70455, 71736, 76440, 77714, 80520, 83265, 84084, 87230, 89670, 93940, 95160, 98637, 104676, 105105, 111020, 112728, 116571, 119560, 120120, 122122, 130845, 131516, 133224, 140140, 140910, 155428, 164395, 166530, 168168, 174460, 179340, 183183, 187880, 194285, 197274, 209352, 210210, 222040, 233142, 244244, 261690, 263032, 280280, 281820, 305305, 310856, 328790, 333060, 348920, 358680, 366366, 388570, 394548, 420420, 427427, 466284, 488488, 493185, 523380, 563640, 582855, 610610, 657580, 666120, 732732, 777140, 789096, 840840, 854854, 915915, 932568, 986370, 1046760, 1165710, 1221220, 1282281, 1315160, 1465464, 1554280, 1709708, 1831830, 1972740, 2137135, 2331420, 2442440, 2564562, 3419416, 3663660, 3945480, 4274270, 4662840, 5129124, 6411405, 7327320, 8548540, 10258248, 12822810, 17097080, 25645620, 51291240]

約数ペア:

[(1, 51291240), (2, 25645620), (3, 17097080), (4, 12822810), (5, 10258248), (6, 8548540), (7, 7327320), (8, 6411405), (10, 5129124), (11, 4662840), (12, 4274270), (13, 3945480), (14, 3663660), (15, 3419416), (20, 2564562), (21, 2442440), (22, 2331420), (24, 2137135), (26, 1972740), (28, 1831830), (30, 1709708), (33, 1554280), (35, 1465464), (39, 1315160), (40, 1282281), (42, 1221220), (44, 1165710), (49, 1046760), (52, 986370), (55, 932568), (56, 915915), (60, 854854), (61, 840840), (65, 789096), (66, 777140), (70, 732732), (77, 666120), (78, 657580), (84, 610610), (88, 582855), (91, 563640), (98, 523380), (104, 493185), (105, 488488), (110, 466284), (120, 427427), (122, 420420), (130, 394548), (132, 388570), (140, 366366), (143, 358680), (147, 348920), (154, 333060), (156, 328790), (165, 310856), (168, 305305), (182, 281820), (183, 280280), (195, 263032), (196, 261690), (210, 244244), (220, 233142), (231, 222040), (244, 210210), (245, 209352), (260, 197274), (264, 194285), (273, 187880), (280, 183183), (286, 179340), (294, 174460), (305, 168168), (308, 166530), (312, 164395), (330, 155428), (364, 140910), (366, 140140), (385, 133224), (390, 131516), (392, 130845), (420, 122122), (427, 120120), (429, 119560), (440, 116571), (455, 112728), (462, 111020), (488, 105105), (490, 104676), (520, 98637), (539, 95160), (546, 93940), (572, 89670), (588, 87230), (610, 84084), (616, 83265), (637, 80520), (660, 77714), (671, 76440), (715, 71736), (728, 70455), (732, 70070), (735, 69784), (770, 66612), (780, 65758), (793, 64680), (840, 61061), (854, 60060), (858, 59780), (910, 56364), (915, 56056), (924, 55510), (980, 52338), (1001, 51240), (1078, 47580), (1092, 46970), (1144, 44835), (1155, 44408), (1176, 43615), (1220, 42042), (1274, 40260), (1281, 40040), (1320, 38857), (1342, 38220), (1365, 37576), (1430, 35868), (1464, 35035), (1470, 34892), (1540, 33306), (1560, 32879), (1586, 32340), (1617, 31720), (1708, 30030), (1716, 29890), (1820, 28182), (1830, 28028), (1848, 27755), (1911, 26840), (1960, 26169), (2002, 25620), (2013, 25480), (2135, 24024), (2145, 23912), (2156, 23790), (2184, 23485), (2310, 22204), (2379, 21560), (2440, 21021), (2548, 20130), (2562, 20020), (2684, 19110), (2695, 19032), (2730, 18788), (2860, 17934), (2940, 17446), (2989, 17160), (3003, 17080), (3080, 16653), (3172, 16170), (3185, 16104), (3234, 15860), (3355, 15288), (3416, 15015), (3432, 14945), (3640, 14091), (3660, 14014), (3822, 13420), (3965, 12936), (4004, 12810), (4026, 12740), (4270, 12012), (4290, 11956), (4312, 11895), (4620, 11102), (4697, 10920), (4758, 10780), (5005, 10248), (5096, 10065), (5124, 10010), (5368, 9555), (5390, 9516), (5460, 9394), (5551, 9240), (5720, 8967), (5880, 8723), (5978, 8580), (6006, 8540), (6344, 8085), (6370, 8052), (6405, 8008), (6468, 7930), (6710, 7644), (7007, 7320)]