71768320

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 195733440

約数和(自身を除く): 123965120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 190, 208, 227, 247, 256, 260, 304, 320, 380, 416, 454, 494, 520, 608, 640, 760, 832, 908, 988, 1040, 1135, 1216, 1235, 1280, 1520, 1664, 1816, 1976, 2080, 2270, 2432, 2470, 2951, 3040, 3328, 3632, 3952, 4160, 4313, 4540, 4864, 4940, 5902, 6080, 7264, 7904, 8320, 8626, 9080, 9880, 11804, 12160, 14528, 14755, 15808, 16640, 17252, 18160, 19760, 21565, 23608, 24320, 29056, 29510, 31616, 34504, 36320, 39520, 43130, 47216, 56069, 58112, 59020, 63232, 69008, 72640, 79040, 86260, 94432, 112138, 118040, 138016, 145280, 158080, 172520, 188864, 224276, 236080, 276032, 280345, 290560, 316160, 345040, 377728, 448552, 472160, 552064, 560690, 690080, 755456, 897104, 944320, 1104128, 1121380, 1380160, 1794208, 1888640, 2242760, 2760320, 3588416, 3777280, 4485520, 5520640, 7176832, 8971040, 14353664, 17942080, 35884160, 71768320]

約数ペア:

[(1, 71768320), (2, 35884160), (4, 17942080), (5, 14353664), (8, 8971040), (10, 7176832), (13, 5520640), (16, 4485520), (19, 3777280), (20, 3588416), (26, 2760320), (32, 2242760), (38, 1888640), (40, 1794208), (52, 1380160), (64, 1121380), (65, 1104128), (76, 944320), (80, 897104), (95, 755456), (104, 690080), (128, 560690), (130, 552064), (152, 472160), (160, 448552), (190, 377728), (208, 345040), (227, 316160), (247, 290560), (256, 280345), (260, 276032), (304, 236080), (320, 224276), (380, 188864), (416, 172520), (454, 158080), (494, 145280), (520, 138016), (608, 118040), (640, 112138), (760, 94432), (832, 86260), (908, 79040), (988, 72640), (1040, 69008), (1135, 63232), (1216, 59020), (1235, 58112), (1280, 56069), (1520, 47216), (1664, 43130), (1816, 39520), (1976, 36320), (2080, 34504), (2270, 31616), (2432, 29510), (2470, 29056), (2951, 24320), (3040, 23608), (3328, 21565), (3632, 19760), (3952, 18160), (4160, 17252), (4313, 16640), (4540, 15808), (4864, 14755), (4940, 14528), (5902, 12160), (6080, 11804), (7264, 9880), (7904, 9080), (8320, 8626)]