81367296

素因数分解:

$2^8\times 3^1\times {\mathrm{53}}^1\times {\mathrm{1999}}^1$

素因数の和:2071

約数の個数: 72

約数和(自身を含む): 220752000

約数和(自身を除く): 139384704

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 53, 64, 96, 106, 128, 159, 192, 212, 256, 318, 384, 424, 636, 768, 848, 1272, 1696, 1999, 2544, 3392, 3998, 5088, 5997, 6784, 7996, 10176, 11994, 13568, 15992, 20352, 23988, 31984, 40704, 47976, 63968, 95952, 105947, 127936, 191904, 211894, 255872, 317841, 383808, 423788, 511744, 635682, 767616, 847576, 1271364, 1535232, 1695152, 2542728, 3390304, 5085456, 6780608, 10170912, 13561216, 20341824, 27122432, 40683648, 81367296]

約数ペア:

[(1, 81367296), (2, 40683648), (3, 27122432), (4, 20341824), (6, 13561216), (8, 10170912), (12, 6780608), (16, 5085456), (24, 3390304), (32, 2542728), (48, 1695152), (53, 1535232), (64, 1271364), (96, 847576), (106, 767616), (128, 635682), (159, 511744), (192, 423788), (212, 383808), (256, 317841), (318, 255872), (384, 211894), (424, 191904), (636, 127936), (768, 105947), (848, 95952), (1272, 63968), (1696, 47976), (1999, 40704), (2544, 31984), (3392, 23988), (3998, 20352), (5088, 15992), (5997, 13568), (6784, 11994), (7996, 10176)]