138877760

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{521}}^1$

素因数の和:569

約数の個数: 168

約数和(自身を含む): 408105864

約数和(自身を除く): 269228104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 49, 56, 64, 68, 70, 80, 85, 98, 112, 119, 136, 140, 160, 170, 196, 224, 238, 245, 272, 280, 320, 340, 392, 448, 476, 490, 521, 544, 560, 595, 680, 784, 833, 952, 980, 1042, 1088, 1120, 1190, 1360, 1568, 1666, 1904, 1960, 2084, 2240, 2380, 2605, 2720, 3136, 3332, 3647, 3808, 3920, 4165, 4168, 4760, 5210, 5440, 6664, 7294, 7616, 7840, 8330, 8336, 8857, 9520, 10420, 13328, 14588, 15680, 16660, 16672, 17714, 18235, 19040, 20840, 25529, 26656, 29176, 33320, 33344, 35428, 36470, 38080, 41680, 44285, 51058, 53312, 58352, 61999, 66640, 70856, 72940, 83360, 88570, 102116, 116704, 123998, 127645, 133280, 141712, 145880, 166720, 177140, 204232, 233408, 247996, 255290, 266560, 283424, 291760, 309995, 354280, 408464, 433993, 495992, 510580, 566848, 583520, 619990, 708560, 816928, 867986, 991984, 1021160, 1167040, 1239980, 1417120, 1633856, 1735972, 1983968, 2042320, 2169965, 2479960, 2834240, 3471944, 3967936, 4084640, 4339930, 4959920, 6943888, 8169280, 8679860, 9919840, 13887776, 17359720, 19839680, 27775552, 34719440, 69438880, 138877760]

約数ペア:

[(1, 138877760), (2, 69438880), (4, 34719440), (5, 27775552), (7, 19839680), (8, 17359720), (10, 13887776), (14, 9919840), (16, 8679860), (17, 8169280), (20, 6943888), (28, 4959920), (32, 4339930), (34, 4084640), (35, 3967936), (40, 3471944), (49, 2834240), (56, 2479960), (64, 2169965), (68, 2042320), (70, 1983968), (80, 1735972), (85, 1633856), (98, 1417120), (112, 1239980), (119, 1167040), (136, 1021160), (140, 991984), (160, 867986), (170, 816928), (196, 708560), (224, 619990), (238, 583520), (245, 566848), (272, 510580), (280, 495992), (320, 433993), (340, 408464), (392, 354280), (448, 309995), (476, 291760), (490, 283424), (521, 266560), (544, 255290), (560, 247996), (595, 233408), (680, 204232), (784, 177140), (833, 166720), (952, 145880), (980, 141712), (1042, 133280), (1088, 127645), (1120, 123998), (1190, 116704), (1360, 102116), (1568, 88570), (1666, 83360), (1904, 72940), (1960, 70856), (2084, 66640), (2240, 61999), (2380, 58352), (2605, 53312), (2720, 51058), (3136, 44285), (3332, 41680), (3647, 38080), (3808, 36470), (3920, 35428), (4165, 33344), (4168, 33320), (4760, 29176), (5210, 26656), (5440, 25529), (6664, 20840), (7294, 19040), (7616, 18235), (7840, 17714), (8330, 16672), (8336, 16660), (8857, 15680), (9520, 14588), (10420, 13328)]