1200478720

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2161}}^1$

素因数の和:2222

約数の個数: 160

約数和(自身を含む): 3397211136

約数和(自身を除く): 2196732416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 512, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1280, 1736, 1792, 1984, 2161, 2170, 2240, 2480, 2560, 3472, 3584, 3968, 4322, 4340, 4480, 4960, 6944, 7936, 8644, 8680, 8960, 9920, 10805, 13888, 15127, 15872, 17288, 17360, 17920, 19840, 21610, 27776, 30254, 34576, 34720, 39680, 43220, 55552, 60508, 66991, 69152, 69440, 75635, 79360, 86440, 111104, 121016, 133982, 138304, 138880, 151270, 172880, 242032, 267964, 276608, 277760, 302540, 334955, 345760, 468937, 484064, 535928, 553216, 555520, 605080, 669910, 691520, 937874, 968128, 1071856, 1106432, 1210160, 1339820, 1383040, 1875748, 1936256, 2143712, 2344685, 2420320, 2679640, 2766080, 3751496, 3872512, 4287424, 4689370, 4840640, 5359280, 5532160, 7502992, 7745024, 8574848, 9378740, 9681280, 10718560, 15005984, 17149696, 18757480, 19362560, 21437120, 30011968, 34299392, 37514960, 38725120, 42874240, 60023936, 75029920, 85748480, 120047872, 150059840, 171496960, 240095744, 300119680, 600239360, 1200478720]

約数ペア:

[(1, 1200478720), (2, 600239360), (4, 300119680), (5, 240095744), (7, 171496960), (8, 150059840), (10, 120047872), (14, 85748480), (16, 75029920), (20, 60023936), (28, 42874240), (31, 38725120), (32, 37514960), (35, 34299392), (40, 30011968), (56, 21437120), (62, 19362560), (64, 18757480), (70, 17149696), (80, 15005984), (112, 10718560), (124, 9681280), (128, 9378740), (140, 8574848), (155, 7745024), (160, 7502992), (217, 5532160), (224, 5359280), (248, 4840640), (256, 4689370), (280, 4287424), (310, 3872512), (320, 3751496), (434, 2766080), (448, 2679640), (496, 2420320), (512, 2344685), (560, 2143712), (620, 1936256), (640, 1875748), (868, 1383040), (896, 1339820), (992, 1210160), (1085, 1106432), (1120, 1071856), (1240, 968128), (1280, 937874), (1736, 691520), (1792, 669910), (1984, 605080), (2161, 555520), (2170, 553216), (2240, 535928), (2480, 484064), (2560, 468937), (3472, 345760), (3584, 334955), (3968, 302540), (4322, 277760), (4340, 276608), (4480, 267964), (4960, 242032), (6944, 172880), (7936, 151270), (8644, 138880), (8680, 138304), (8960, 133982), (9920, 121016), (10805, 111104), (13888, 86440), (15127, 79360), (15872, 75635), (17288, 69440), (17360, 69152), (17920, 66991), (19840, 60508), (21610, 55552), (27776, 43220), (30254, 39680), (34576, 34720)]