81565344

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{40459}}^1$

素因数の和:40482

約数の個数: 72

約数和(自身を含む): 265093920

約数和(自身を除く): 183528576

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 40459, 80918, 121377, 161836, 242754, 283213, 323672, 364131, 485508, 566426, 647344, 728262, 849639, 971016, 1132852, 1294688, 1456524, 1699278, 1942032, 2265704, 2548917, 2913048, 3398556, 3884064, 4531408, 5097834, 5826096, 6797112, 9062816, 10195668, 11652192, 13594224, 20391336, 27188448, 40782672, 81565344]

約数ペア:

[(1, 81565344), (2, 40782672), (3, 27188448), (4, 20391336), (6, 13594224), (7, 11652192), (8, 10195668), (9, 9062816), (12, 6797112), (14, 5826096), (16, 5097834), (18, 4531408), (21, 3884064), (24, 3398556), (28, 2913048), (32, 2548917), (36, 2265704), (42, 1942032), (48, 1699278), (56, 1456524), (63, 1294688), (72, 1132852), (84, 971016), (96, 849639), (112, 728262), (126, 647344), (144, 566426), (168, 485508), (224, 364131), (252, 323672), (288, 283213), (336, 242754), (504, 161836), (672, 121377), (1008, 80918), (2016, 40459)]