81885360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1259}}^1$

素因数の和:1546

約数の個数: 80

約数和(自身を含む): 254983680

約数和(自身を除く): 173098320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 271, 542, 813, 1084, 1259, 1355, 1626, 2168, 2518, 2710, 3252, 3777, 4065, 4336, 5036, 5420, 6295, 6504, 7554, 8130, 10072, 10840, 12590, 13008, 15108, 16260, 18885, 20144, 21680, 25180, 30216, 32520, 37770, 50360, 60432, 65040, 75540, 100720, 151080, 302160, 341189, 682378, 1023567, 1364756, 1705945, 2047134, 2729512, 3411890, 4094268, 5117835, 5459024, 6823780, 8188536, 10235670, 13647560, 16377072, 20471340, 27295120, 40942680, 81885360]

約数ペア:

[(1, 81885360), (2, 40942680), (3, 27295120), (4, 20471340), (5, 16377072), (6, 13647560), (8, 10235670), (10, 8188536), (12, 6823780), (15, 5459024), (16, 5117835), (20, 4094268), (24, 3411890), (30, 2729512), (40, 2047134), (48, 1705945), (60, 1364756), (80, 1023567), (120, 682378), (240, 341189), (271, 302160), (542, 151080), (813, 100720), (1084, 75540), (1259, 65040), (1355, 60432), (1626, 50360), (2168, 37770), (2518, 32520), (2710, 30216), (3252, 25180), (3777, 21680), (4065, 20144), (4336, 18885), (5036, 16260), (5420, 15108), (6295, 13008), (6504, 12590), (7554, 10840), (8130, 10072)]