81204912

素因数分解:

$2^4\times 3^2\times {\mathrm{139}}^1\times {\mathrm{4057}}^1$

素因数の和:4210

約数の個数: 60

約数和(自身を含む): 228952360

約数和(自身を除く): 147747448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 139, 144, 278, 417, 556, 834, 1112, 1251, 1668, 2224, 2502, 3336, 4057, 5004, 6672, 8114, 10008, 12171, 16228, 20016, 24342, 32456, 36513, 48684, 64912, 73026, 97368, 146052, 194736, 292104, 563923, 584208, 1127846, 1691769, 2255692, 3383538, 4511384, 5075307, 6767076, 9022768, 10150614, 13534152, 20301228, 27068304, 40602456, 81204912]

約数ペア:

[(1, 81204912), (2, 40602456), (3, 27068304), (4, 20301228), (6, 13534152), (8, 10150614), (9, 9022768), (12, 6767076), (16, 5075307), (18, 4511384), (24, 3383538), (36, 2255692), (48, 1691769), (72, 1127846), (139, 584208), (144, 563923), (278, 292104), (417, 194736), (556, 146052), (834, 97368), (1112, 73026), (1251, 64912), (1668, 48684), (2224, 36513), (2502, 32456), (3336, 24342), (4057, 20016), (5004, 16228), (6672, 12171), (8114, 10008)]