51369920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:131

約数の個数: 224

約数和(自身を含む): 158008320

約数和(自身を除く): 106638400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 19, 20, 28, 32, 34, 35, 38, 40, 56, 64, 68, 70, 71, 76, 80, 85, 95, 112, 119, 133, 136, 140, 142, 152, 160, 170, 190, 224, 238, 266, 272, 280, 284, 304, 320, 323, 340, 355, 380, 448, 476, 497, 532, 544, 560, 568, 595, 608, 646, 665, 680, 710, 760, 952, 994, 1064, 1088, 1120, 1136, 1190, 1207, 1216, 1292, 1330, 1349, 1360, 1420, 1520, 1615, 1904, 1988, 2128, 2240, 2261, 2272, 2380, 2414, 2485, 2584, 2660, 2698, 2720, 2840, 3040, 3230, 3808, 3976, 4256, 4522, 4544, 4760, 4828, 4970, 5168, 5320, 5396, 5440, 5680, 6035, 6080, 6460, 6745, 7616, 7952, 8449, 8512, 9044, 9443, 9520, 9656, 9940, 10336, 10640, 10792, 11305, 11360, 12070, 12920, 13490, 15904, 16898, 18088, 18886, 19040, 19312, 19880, 20672, 21280, 21584, 22610, 22720, 22933, 24140, 25840, 26980, 31808, 33796, 36176, 37772, 38080, 38624, 39760, 42245, 42560, 43168, 45220, 45866, 47215, 48280, 51680, 53960, 67592, 72352, 75544, 77248, 79520, 84490, 86336, 90440, 91732, 94430, 96560, 103360, 107920, 114665, 135184, 144704, 151088, 159040, 160531, 168980, 180880, 183464, 188860, 193120, 215840, 229330, 270368, 302176, 321062, 337960, 361760, 366928, 377720, 386240, 431680, 458660, 540736, 604352, 642124, 675920, 723520, 733856, 755440, 802655, 917320, 1284248, 1351840, 1467712, 1510880, 1605310, 1834640, 2568496, 2703680, 3021760, 3210620, 3669280, 5136992, 6421240, 7338560, 10273984, 12842480, 25684960, 51369920]

約数ペア:

[(1, 51369920), (2, 25684960), (4, 12842480), (5, 10273984), (7, 7338560), (8, 6421240), (10, 5136992), (14, 3669280), (16, 3210620), (17, 3021760), (19, 2703680), (20, 2568496), (28, 1834640), (32, 1605310), (34, 1510880), (35, 1467712), (38, 1351840), (40, 1284248), (56, 917320), (64, 802655), (68, 755440), (70, 733856), (71, 723520), (76, 675920), (80, 642124), (85, 604352), (95, 540736), (112, 458660), (119, 431680), (133, 386240), (136, 377720), (140, 366928), (142, 361760), (152, 337960), (160, 321062), (170, 302176), (190, 270368), (224, 229330), (238, 215840), (266, 193120), (272, 188860), (280, 183464), (284, 180880), (304, 168980), (320, 160531), (323, 159040), (340, 151088), (355, 144704), (380, 135184), (448, 114665), (476, 107920), (497, 103360), (532, 96560), (544, 94430), (560, 91732), (568, 90440), (595, 86336), (608, 84490), (646, 79520), (665, 77248), (680, 75544), (710, 72352), (760, 67592), (952, 53960), (994, 51680), (1064, 48280), (1088, 47215), (1120, 45866), (1136, 45220), (1190, 43168), (1207, 42560), (1216, 42245), (1292, 39760), (1330, 38624), (1349, 38080), (1360, 37772), (1420, 36176), (1520, 33796), (1615, 31808), (1904, 26980), (1988, 25840), (2128, 24140), (2240, 22933), (2261, 22720), (2272, 22610), (2380, 21584), (2414, 21280), (2485, 20672), (2584, 19880), (2660, 19312), (2698, 19040), (2720, 18886), (2840, 18088), (3040, 16898), (3230, 15904), (3808, 13490), (3976, 12920), (4256, 12070), (4522, 11360), (4544, 11305), (4760, 10792), (4828, 10640), (4970, 10336), (5168, 9940), (5320, 9656), (5396, 9520), (5440, 9443), (5680, 9044), (6035, 8512), (6080, 8449), (6460, 7952), (6745, 7616)]