81299040

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{169373}}^1$

素因数の和:169391

約数の個数: 48

約数和(自身を含む): 256093488

約数和(自身を除く): 174794448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 169373, 338746, 508119, 677492, 846865, 1016238, 1354984, 1693730, 2032476, 2540595, 2709968, 3387460, 4064952, 5081190, 5419936, 6774920, 8129904, 10162380, 13549840, 16259808, 20324760, 27099680, 40649520, 81299040]

約数ペア:

[(1, 81299040), (2, 40649520), (3, 27099680), (4, 20324760), (5, 16259808), (6, 13549840), (8, 10162380), (10, 8129904), (12, 6774920), (15, 5419936), (16, 5081190), (20, 4064952), (24, 3387460), (30, 2709968), (32, 2540595), (40, 2032476), (48, 1693730), (60, 1354984), (80, 1016238), (96, 846865), (120, 677492), (160, 508119), (240, 338746), (480, 169373)]