89987940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71419}}^1$

素因数の和:71441

約数の個数: 72

約数和(自身を含む): 311962560

約数和(自身を除く): 221974620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 71419, 142838, 214257, 285676, 357095, 428514, 499933, 642771, 714190, 857028, 999866, 1071285, 1285542, 1428380, 1499799, 1999732, 2142570, 2499665, 2571084, 2999598, 3213855, 4285140, 4499397, 4999330, 5999196, 6427710, 7498995, 8998794, 9998660, 12855420, 14997990, 17997588, 22496985, 29995980, 44993970, 89987940]

約数ペア:

[(1, 89987940), (2, 44993970), (3, 29995980), (4, 22496985), (5, 17997588), (6, 14997990), (7, 12855420), (9, 9998660), (10, 8998794), (12, 7498995), (14, 6427710), (15, 5999196), (18, 4999330), (20, 4499397), (21, 4285140), (28, 3213855), (30, 2999598), (35, 2571084), (36, 2499665), (42, 2142570), (45, 1999732), (60, 1499799), (63, 1428380), (70, 1285542), (84, 1071285), (90, 999866), (105, 857028), (126, 714190), (140, 642771), (180, 499933), (210, 428514), (252, 357095), (315, 285676), (420, 214257), (630, 142838), (1260, 71419)]