77321440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:201

約数の個数: 192

約数和(自身を含む): 229920768

約数和(自身を除く): 152599328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 32, 34, 35, 40, 56, 62, 68, 70, 80, 85, 112, 119, 124, 131, 136, 140, 155, 160, 170, 217, 224, 238, 248, 262, 272, 280, 310, 340, 434, 476, 496, 524, 527, 544, 560, 595, 620, 655, 680, 868, 917, 952, 992, 1048, 1054, 1085, 1120, 1190, 1240, 1310, 1360, 1736, 1834, 1904, 2096, 2108, 2170, 2227, 2380, 2480, 2620, 2635, 2720, 3472, 3668, 3689, 3808, 4061, 4192, 4216, 4340, 4454, 4585, 4760, 4960, 5240, 5270, 6944, 7336, 7378, 8122, 8432, 8680, 8908, 9170, 9520, 10480, 10540, 11135, 14672, 14756, 15589, 16244, 16864, 17360, 17816, 18340, 18445, 19040, 20305, 20960, 21080, 22270, 28427, 29344, 29512, 31178, 32488, 34720, 35632, 36680, 36890, 40610, 42160, 44540, 56854, 59024, 62356, 64976, 69037, 71264, 73360, 73780, 77945, 81220, 84320, 89080, 113708, 118048, 124712, 129952, 138074, 142135, 146720, 147560, 155890, 162440, 178160, 227416, 249424, 276148, 284270, 295120, 311780, 324880, 345185, 356320, 454832, 483259, 498848, 552296, 568540, 590240, 623560, 649760, 690370, 909664, 966518, 1104592, 1137080, 1247120, 1380740, 1933036, 2209184, 2274160, 2416295, 2494240, 2761480, 3866072, 4548320, 4832590, 5522960, 7732144, 9665180, 11045920, 15464288, 19330360, 38660720, 77321440]

約数ペア:

[(1, 77321440), (2, 38660720), (4, 19330360), (5, 15464288), (7, 11045920), (8, 9665180), (10, 7732144), (14, 5522960), (16, 4832590), (17, 4548320), (20, 3866072), (28, 2761480), (31, 2494240), (32, 2416295), (34, 2274160), (35, 2209184), (40, 1933036), (56, 1380740), (62, 1247120), (68, 1137080), (70, 1104592), (80, 966518), (85, 909664), (112, 690370), (119, 649760), (124, 623560), (131, 590240), (136, 568540), (140, 552296), (155, 498848), (160, 483259), (170, 454832), (217, 356320), (224, 345185), (238, 324880), (248, 311780), (262, 295120), (272, 284270), (280, 276148), (310, 249424), (340, 227416), (434, 178160), (476, 162440), (496, 155890), (524, 147560), (527, 146720), (544, 142135), (560, 138074), (595, 129952), (620, 124712), (655, 118048), (680, 113708), (868, 89080), (917, 84320), (952, 81220), (992, 77945), (1048, 73780), (1054, 73360), (1085, 71264), (1120, 69037), (1190, 64976), (1240, 62356), (1310, 59024), (1360, 56854), (1736, 44540), (1834, 42160), (1904, 40610), (2096, 36890), (2108, 36680), (2170, 35632), (2227, 34720), (2380, 32488), (2480, 31178), (2620, 29512), (2635, 29344), (2720, 28427), (3472, 22270), (3668, 21080), (3689, 20960), (3808, 20305), (4061, 19040), (4192, 18445), (4216, 18340), (4340, 17816), (4454, 17360), (4585, 16864), (4760, 16244), (4960, 15589), (5240, 14756), (5270, 14672), (6944, 11135), (7336, 10540), (7378, 10480), (8122, 9520), (8432, 9170), (8680, 8908)]