81376488

素因数分解:

$2^3\times 3^4\times {\mathrm{31}}^1\times {\mathrm{4051}}^1$

素因数の和:4100

約数の個数: 80

約数和(自身を含む): 235340160

約数和(自身を除く): 153963672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 81, 93, 108, 124, 162, 186, 216, 248, 279, 324, 372, 558, 648, 744, 837, 1116, 1674, 2232, 2511, 3348, 4051, 5022, 6696, 8102, 10044, 12153, 16204, 20088, 24306, 32408, 36459, 48612, 72918, 97224, 109377, 125581, 145836, 218754, 251162, 291672, 328131, 376743, 437508, 502324, 656262, 753486, 875016, 1004648, 1130229, 1312524, 1506972, 2260458, 2625048, 3013944, 3390687, 4520916, 6781374, 9041832, 10172061, 13562748, 20344122, 27125496, 40688244, 81376488]

約数ペア:

[(1, 81376488), (2, 40688244), (3, 27125496), (4, 20344122), (6, 13562748), (8, 10172061), (9, 9041832), (12, 6781374), (18, 4520916), (24, 3390687), (27, 3013944), (31, 2625048), (36, 2260458), (54, 1506972), (62, 1312524), (72, 1130229), (81, 1004648), (93, 875016), (108, 753486), (124, 656262), (162, 502324), (186, 437508), (216, 376743), (248, 328131), (279, 291672), (324, 251162), (372, 218754), (558, 145836), (648, 125581), (744, 109377), (837, 97224), (1116, 72918), (1674, 48612), (2232, 36459), (2511, 32408), (3348, 24306), (4051, 20088), (5022, 16204), (6696, 12153), (8102, 10044)]