6642840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 20100960

約数和(自身を除く): 13458120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 197, 281, 394, 562, 591, 788, 843, 985, 1124, 1182, 1405, 1576, 1686, 1970, 2248, 2364, 2810, 2955, 3372, 3940, 4215, 4728, 5620, 5910, 6744, 7880, 8430, 11240, 11820, 16860, 23640, 33720, 55357, 110714, 166071, 221428, 276785, 332142, 442856, 553570, 664284, 830355, 1107140, 1328568, 1660710, 2214280, 3321420, 6642840]

約数ペア:

[(1, 6642840), (2, 3321420), (3, 2214280), (4, 1660710), (5, 1328568), (6, 1107140), (8, 830355), (10, 664284), (12, 553570), (15, 442856), (20, 332142), (24, 276785), (30, 221428), (40, 166071), (60, 110714), (120, 55357), (197, 33720), (281, 23640), (394, 16860), (562, 11820), (591, 11240), (788, 8430), (843, 7880), (985, 6744), (1124, 5910), (1182, 5620), (1405, 4728), (1576, 4215), (1686, 3940), (1970, 3372), (2248, 2955), (2364, 2810)]