81578052

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{349}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 213012800

約数和(自身を除く): 131434748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 151, 172, 258, 302, 349, 387, 453, 516, 604, 698, 774, 906, 1047, 1359, 1396, 1548, 1812, 2094, 2718, 3141, 4188, 5436, 6282, 6493, 12564, 12986, 15007, 19479, 25972, 30014, 38958, 45021, 52699, 58437, 60028, 77916, 90042, 105398, 116874, 135063, 158097, 180084, 210796, 233748, 270126, 316194, 474291, 540252, 632388, 948582, 1897164, 2266057, 4532114, 6798171, 9064228, 13596342, 20394513, 27192684, 40789026, 81578052]

約数ペア:

[(1, 81578052), (2, 40789026), (3, 27192684), (4, 20394513), (6, 13596342), (9, 9064228), (12, 6798171), (18, 4532114), (36, 2266057), (43, 1897164), (86, 948582), (129, 632388), (151, 540252), (172, 474291), (258, 316194), (302, 270126), (349, 233748), (387, 210796), (453, 180084), (516, 158097), (604, 135063), (698, 116874), (774, 105398), (906, 90042), (1047, 77916), (1359, 60028), (1396, 58437), (1548, 52699), (1812, 45021), (2094, 38958), (2718, 30014), (3141, 25972), (4188, 19479), (5436, 15007), (6282, 12986), (6493, 12564)]