19779600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:385

約数の個数: 120

約数和(自身を含む): 64763712

約数和(自身を除く): 44984112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 53, 60, 75, 80, 100, 106, 120, 150, 159, 200, 212, 240, 265, 300, 311, 318, 400, 424, 530, 600, 622, 636, 795, 848, 933, 1060, 1200, 1244, 1272, 1325, 1555, 1590, 1866, 2120, 2488, 2544, 2650, 3110, 3180, 3732, 3975, 4240, 4665, 4976, 5300, 6220, 6360, 7464, 7775, 7950, 9330, 10600, 12440, 12720, 14928, 15550, 15900, 16483, 18660, 21200, 23325, 24880, 31100, 31800, 32966, 37320, 46650, 49449, 62200, 63600, 65932, 74640, 82415, 93300, 98898, 124400, 131864, 164830, 186600, 197796, 247245, 263728, 329660, 373200, 395592, 412075, 494490, 659320, 791184, 824150, 988980, 1236225, 1318640, 1648300, 1977960, 2472450, 3296600, 3955920, 4944900, 6593200, 9889800, 19779600]

約数ペア:

[(1, 19779600), (2, 9889800), (3, 6593200), (4, 4944900), (5, 3955920), (6, 3296600), (8, 2472450), (10, 1977960), (12, 1648300), (15, 1318640), (16, 1236225), (20, 988980), (24, 824150), (25, 791184), (30, 659320), (40, 494490), (48, 412075), (50, 395592), (53, 373200), (60, 329660), (75, 263728), (80, 247245), (100, 197796), (106, 186600), (120, 164830), (150, 131864), (159, 124400), (200, 98898), (212, 93300), (240, 82415), (265, 74640), (300, 65932), (311, 63600), (318, 62200), (400, 49449), (424, 46650), (530, 37320), (600, 32966), (622, 31800), (636, 31100), (795, 24880), (848, 23325), (933, 21200), (1060, 18660), (1200, 16483), (1244, 15900), (1272, 15550), (1325, 14928), (1555, 12720), (1590, 12440), (1866, 10600), (2120, 9330), (2488, 7950), (2544, 7775), (2650, 7464), (3110, 6360), (3180, 6220), (3732, 5300), (3975, 4976), (4240, 4665)]