69438880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{521}}^1$

素因数の和:567

約数の個数: 144

約数和(自身を含む): 202446216

約数和(自身を除く): 133007336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 160, 170, 196, 224, 238, 245, 272, 280, 340, 392, 476, 490, 521, 544, 560, 595, 680, 784, 833, 952, 980, 1042, 1120, 1190, 1360, 1568, 1666, 1904, 1960, 2084, 2380, 2605, 2720, 3332, 3647, 3808, 3920, 4165, 4168, 4760, 5210, 6664, 7294, 7840, 8330, 8336, 8857, 9520, 10420, 13328, 14588, 16660, 16672, 17714, 18235, 19040, 20840, 25529, 26656, 29176, 33320, 35428, 36470, 41680, 44285, 51058, 58352, 61999, 66640, 70856, 72940, 83360, 88570, 102116, 116704, 123998, 127645, 133280, 141712, 145880, 177140, 204232, 247996, 255290, 283424, 291760, 309995, 354280, 408464, 433993, 495992, 510580, 583520, 619990, 708560, 816928, 867986, 991984, 1021160, 1239980, 1417120, 1735972, 1983968, 2042320, 2169965, 2479960, 3471944, 4084640, 4339930, 4959920, 6943888, 8679860, 9919840, 13887776, 17359720, 34719440, 69438880]

約数ペア:

[(1, 69438880), (2, 34719440), (4, 17359720), (5, 13887776), (7, 9919840), (8, 8679860), (10, 6943888), (14, 4959920), (16, 4339930), (17, 4084640), (20, 3471944), (28, 2479960), (32, 2169965), (34, 2042320), (35, 1983968), (40, 1735972), (49, 1417120), (56, 1239980), (68, 1021160), (70, 991984), (80, 867986), (85, 816928), (98, 708560), (112, 619990), (119, 583520), (136, 510580), (140, 495992), (160, 433993), (170, 408464), (196, 354280), (224, 309995), (238, 291760), (245, 283424), (272, 255290), (280, 247996), (340, 204232), (392, 177140), (476, 145880), (490, 141712), (521, 133280), (544, 127645), (560, 123998), (595, 116704), (680, 102116), (784, 88570), (833, 83360), (952, 72940), (980, 70856), (1042, 66640), (1120, 61999), (1190, 58352), (1360, 51058), (1568, 44285), (1666, 41680), (1904, 36470), (1960, 35428), (2084, 33320), (2380, 29176), (2605, 26656), (2720, 25529), (3332, 20840), (3647, 19040), (3808, 18235), (3920, 17714), (4165, 16672), (4168, 16660), (4760, 14588), (5210, 13328), (6664, 10420), (7294, 9520), (7840, 8857), (8330, 8336)]