81396336

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1543}}^1$

素因数の和:1718

約数の個数: 80

約数和(自身を含む): 242000384

約数和(自身を除く): 160604048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 157, 168, 314, 336, 471, 628, 942, 1099, 1256, 1543, 1884, 2198, 2512, 3086, 3297, 3768, 4396, 4629, 6172, 6594, 7536, 8792, 9258, 10801, 12344, 13188, 17584, 18516, 21602, 24688, 26376, 32403, 37032, 43204, 52752, 64806, 74064, 86408, 129612, 172816, 242251, 259224, 484502, 518448, 726753, 969004, 1453506, 1695757, 1938008, 2907012, 3391514, 3876016, 5087271, 5814024, 6783028, 10174542, 11628048, 13566056, 20349084, 27132112, 40698168, 81396336]

約数ペア:

[(1, 81396336), (2, 40698168), (3, 27132112), (4, 20349084), (6, 13566056), (7, 11628048), (8, 10174542), (12, 6783028), (14, 5814024), (16, 5087271), (21, 3876016), (24, 3391514), (28, 2907012), (42, 1938008), (48, 1695757), (56, 1453506), (84, 969004), (112, 726753), (157, 518448), (168, 484502), (314, 259224), (336, 242251), (471, 172816), (628, 129612), (942, 86408), (1099, 74064), (1256, 64806), (1543, 52752), (1884, 43204), (2198, 37032), (2512, 32403), (3086, 26376), (3297, 24688), (3768, 21602), (4396, 18516), (4629, 17584), (6172, 13188), (6594, 12344), (7536, 10801), (8792, 9258)]