81447264

素因数分解:

$2^5\times 3^2\times {\mathrm{389}}^1\times {\mathrm{727}}^1$

素因数の和:1132

約数の個数: 72

約数和(自身を含む): 232530480

約数和(自身を除く): 151083216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 389, 727, 778, 1167, 1454, 1556, 2181, 2334, 2908, 3112, 3501, 4362, 4668, 5816, 6224, 6543, 7002, 8724, 9336, 11632, 12448, 13086, 14004, 17448, 18672, 23264, 26172, 28008, 34896, 37344, 52344, 56016, 69792, 104688, 112032, 209376, 282803, 565606, 848409, 1131212, 1696818, 2262424, 2545227, 3393636, 4524848, 5090454, 6787272, 9049696, 10180908, 13574544, 20361816, 27149088, 40723632, 81447264]

約数ペア:

[(1, 81447264), (2, 40723632), (3, 27149088), (4, 20361816), (6, 13574544), (8, 10180908), (9, 9049696), (12, 6787272), (16, 5090454), (18, 4524848), (24, 3393636), (32, 2545227), (36, 2262424), (48, 1696818), (72, 1131212), (96, 848409), (144, 565606), (288, 282803), (389, 209376), (727, 112032), (778, 104688), (1167, 69792), (1454, 56016), (1556, 52344), (2181, 37344), (2334, 34896), (2908, 28008), (3112, 26172), (3501, 23264), (4362, 18672), (4668, 17448), (5816, 14004), (6224, 13086), (6543, 12448), (7002, 11632), (8724, 9336)]