406429440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1997}}^1$

素因数の和:2074

約数の個数: 144

約数和(自身を含む): 1323187488

約数和(自身を除く): 916758048

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, 256, 265, 318, 320, 384, 424, 480, 530, 636, 640, 768, 795, 848, 960, 1060, 1272, 1280, 1590, 1696, 1920, 1997, 2120, 2544, 3180, 3392, 3840, 3994, 4240, 5088, 5991, 6360, 6784, 7988, 8480, 9985, 10176, 11982, 12720, 13568, 15976, 16960, 19970, 20352, 23964, 25440, 29955, 31952, 33920, 39940, 40704, 47928, 50880, 59910, 63904, 67840, 79880, 95856, 101760, 105841, 119820, 127808, 159760, 191712, 203520, 211682, 239640, 255616, 317523, 319520, 383424, 423364, 479280, 511232, 529205, 635046, 639040, 766848, 846728, 958560, 1058410, 1270092, 1278080, 1533696, 1587615, 1693456, 1917120, 2116820, 2540184, 2556160, 3175230, 3386912, 3834240, 4233640, 5080368, 6350460, 6773824, 7668480, 8467280, 10160736, 12700920, 13547648, 16934560, 20321472, 25401840, 27095296, 33869120, 40642944, 50803680, 67738240, 81285888, 101607360, 135476480, 203214720, 406429440]

約数ペア:

[(1, 406429440), (2, 203214720), (3, 135476480), (4, 101607360), (5, 81285888), (6, 67738240), (8, 50803680), (10, 40642944), (12, 33869120), (15, 27095296), (16, 25401840), (20, 20321472), (24, 16934560), (30, 13547648), (32, 12700920), (40, 10160736), (48, 8467280), (53, 7668480), (60, 6773824), (64, 6350460), (80, 5080368), (96, 4233640), (106, 3834240), (120, 3386912), (128, 3175230), (159, 2556160), (160, 2540184), (192, 2116820), (212, 1917120), (240, 1693456), (256, 1587615), (265, 1533696), (318, 1278080), (320, 1270092), (384, 1058410), (424, 958560), (480, 846728), (530, 766848), (636, 639040), (640, 635046), (768, 529205), (795, 511232), (848, 479280), (960, 423364), (1060, 383424), (1272, 319520), (1280, 317523), (1590, 255616), (1696, 239640), (1920, 211682), (1997, 203520), (2120, 191712), (2544, 159760), (3180, 127808), (3392, 119820), (3840, 105841), (3994, 101760), (4240, 95856), (5088, 79880), (5991, 67840), (6360, 63904), (6784, 59910), (7988, 50880), (8480, 47928), (9985, 40704), (10176, 39940), (11982, 33920), (12720, 31952), (13568, 29955), (15976, 25440), (16960, 23964), (19970, 20352)]