19870560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13799}}^1$

素因数の和:13820

約数の個数: 72

約数和(自身を含む): 67813200

約数和(自身を除く): 47942640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 13799, 27598, 41397, 55196, 68995, 82794, 110392, 124191, 137990, 165588, 206985, 220784, 248382, 275980, 331176, 413970, 441568, 496764, 551960, 620955, 662352, 827940, 993528, 1103920, 1241910, 1324704, 1655880, 1987056, 2207840, 2483820, 3311760, 3974112, 4967640, 6623520, 9935280, 19870560]

約数ペア:

[(1, 19870560), (2, 9935280), (3, 6623520), (4, 4967640), (5, 3974112), (6, 3311760), (8, 2483820), (9, 2207840), (10, 1987056), (12, 1655880), (15, 1324704), (16, 1241910), (18, 1103920), (20, 993528), (24, 827940), (30, 662352), (32, 620955), (36, 551960), (40, 496764), (45, 441568), (48, 413970), (60, 331176), (72, 275980), (80, 248382), (90, 220784), (96, 206985), (120, 165588), (144, 137990), (160, 124191), (180, 110392), (240, 82794), (288, 68995), (360, 55196), (480, 41397), (720, 27598), (1440, 13799)]