203214720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1997}}^1$

素因数の和:2072

約数の個数: 128

約数和(自身を含む): 660299040

約数和(自身を除く): 457084320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 64, 80, 96, 106, 120, 128, 159, 160, 192, 212, 240, 265, 318, 320, 384, 424, 480, 530, 636, 640, 795, 848, 960, 1060, 1272, 1590, 1696, 1920, 1997, 2120, 2544, 3180, 3392, 3994, 4240, 5088, 5991, 6360, 6784, 7988, 8480, 9985, 10176, 11982, 12720, 15976, 16960, 19970, 20352, 23964, 25440, 29955, 31952, 33920, 39940, 47928, 50880, 59910, 63904, 79880, 95856, 101760, 105841, 119820, 127808, 159760, 191712, 211682, 239640, 255616, 317523, 319520, 383424, 423364, 479280, 529205, 635046, 639040, 766848, 846728, 958560, 1058410, 1270092, 1278080, 1587615, 1693456, 1917120, 2116820, 2540184, 3175230, 3386912, 3834240, 4233640, 5080368, 6350460, 6773824, 8467280, 10160736, 12700920, 13547648, 16934560, 20321472, 25401840, 33869120, 40642944, 50803680, 67738240, 101607360, 203214720]

約数ペア:

[(1, 203214720), (2, 101607360), (3, 67738240), (4, 50803680), (5, 40642944), (6, 33869120), (8, 25401840), (10, 20321472), (12, 16934560), (15, 13547648), (16, 12700920), (20, 10160736), (24, 8467280), (30, 6773824), (32, 6350460), (40, 5080368), (48, 4233640), (53, 3834240), (60, 3386912), (64, 3175230), (80, 2540184), (96, 2116820), (106, 1917120), (120, 1693456), (128, 1587615), (159, 1278080), (160, 1270092), (192, 1058410), (212, 958560), (240, 846728), (265, 766848), (318, 639040), (320, 635046), (384, 529205), (424, 479280), (480, 423364), (530, 383424), (636, 319520), (640, 317523), (795, 255616), (848, 239640), (960, 211682), (1060, 191712), (1272, 159760), (1590, 127808), (1696, 119820), (1920, 105841), (1997, 101760), (2120, 95856), (2544, 79880), (3180, 63904), (3392, 59910), (3994, 50880), (4240, 47928), (5088, 39940), (5991, 33920), (6360, 31952), (6784, 29955), (7988, 25440), (8480, 23964), (9985, 20352), (10176, 19970), (11982, 16960), (12720, 15976)]