199380480

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1997}}^1$

素因数の和:2036

約数の個数: 160

約数和(自身を含む): 686768544

約数和(自身を除く): 487388064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 512, 520, 624, 640, 768, 780, 832, 960, 1040, 1248, 1280, 1536, 1560, 1664, 1920, 1997, 2080, 2496, 2560, 3120, 3328, 3840, 3994, 4160, 4992, 5991, 6240, 6656, 7680, 7988, 8320, 9984, 9985, 11982, 12480, 15976, 16640, 19968, 19970, 23964, 24960, 25961, 29955, 31952, 33280, 39940, 47928, 49920, 51922, 59910, 63904, 77883, 79880, 95856, 99840, 103844, 119820, 127808, 129805, 155766, 159760, 191712, 207688, 239640, 255616, 259610, 311532, 319520, 383424, 389415, 415376, 479280, 511232, 519220, 623064, 639040, 766848, 778830, 830752, 958560, 1022464, 1038440, 1246128, 1278080, 1533696, 1557660, 1661504, 1917120, 2076880, 2492256, 2556160, 3067392, 3115320, 3323008, 3834240, 4153760, 4984512, 5112320, 6230640, 6646016, 7668480, 8307520, 9969024, 12461280, 13292032, 15336960, 16615040, 19938048, 24922560, 33230080, 39876096, 49845120, 66460160, 99690240, 199380480]

約数ペア:

[(1, 199380480), (2, 99690240), (3, 66460160), (4, 49845120), (5, 39876096), (6, 33230080), (8, 24922560), (10, 19938048), (12, 16615040), (13, 15336960), (15, 13292032), (16, 12461280), (20, 9969024), (24, 8307520), (26, 7668480), (30, 6646016), (32, 6230640), (39, 5112320), (40, 4984512), (48, 4153760), (52, 3834240), (60, 3323008), (64, 3115320), (65, 3067392), (78, 2556160), (80, 2492256), (96, 2076880), (104, 1917120), (120, 1661504), (128, 1557660), (130, 1533696), (156, 1278080), (160, 1246128), (192, 1038440), (195, 1022464), (208, 958560), (240, 830752), (256, 778830), (260, 766848), (312, 639040), (320, 623064), (384, 519220), (390, 511232), (416, 479280), (480, 415376), (512, 389415), (520, 383424), (624, 319520), (640, 311532), (768, 259610), (780, 255616), (832, 239640), (960, 207688), (1040, 191712), (1248, 159760), (1280, 155766), (1536, 129805), (1560, 127808), (1664, 119820), (1920, 103844), (1997, 99840), (2080, 95856), (2496, 79880), (2560, 77883), (3120, 63904), (3328, 59910), (3840, 51922), (3994, 49920), (4160, 47928), (4992, 39940), (5991, 33280), (6240, 31952), (6656, 29955), (7680, 25961), (7988, 24960), (8320, 23964), (9984, 19970), (9985, 19968), (11982, 16640), (12480, 15976)]