390018660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{78317}}^1$

素因数の和:78412

約数の個数: 48

約数和(自身を含む): 1105223616

約数和(自身を除く): 715204956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 83, 166, 249, 332, 415, 498, 830, 996, 1245, 1660, 2490, 4980, 78317, 156634, 234951, 313268, 391585, 469902, 783170, 939804, 1174755, 1566340, 2349510, 4699020, 6500311, 13000622, 19500933, 26001244, 32501555, 39001866, 65003110, 78003732, 97504665, 130006220, 195009330, 390018660]

約数ペア:

[(1, 390018660), (2, 195009330), (3, 130006220), (4, 97504665), (5, 78003732), (6, 65003110), (10, 39001866), (12, 32501555), (15, 26001244), (20, 19500933), (30, 13000622), (60, 6500311), (83, 4699020), (166, 2349510), (249, 1566340), (332, 1174755), (415, 939804), (498, 783170), (830, 469902), (996, 391585), (1245, 313268), (1660, 234951), (2490, 156634), (4980, 78317)]