6440520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{281}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 19491840

約数和(自身を除く): 13051320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 191, 281, 382, 562, 573, 764, 843, 955, 1124, 1146, 1405, 1528, 1686, 1910, 2248, 2292, 2810, 2865, 3372, 3820, 4215, 4584, 5620, 5730, 6744, 7640, 8430, 11240, 11460, 16860, 22920, 33720, 53671, 107342, 161013, 214684, 268355, 322026, 429368, 536710, 644052, 805065, 1073420, 1288104, 1610130, 2146840, 3220260, 6440520]

約数ペア:

[(1, 6440520), (2, 3220260), (3, 2146840), (4, 1610130), (5, 1288104), (6, 1073420), (8, 805065), (10, 644052), (12, 536710), (15, 429368), (20, 322026), (24, 268355), (30, 214684), (40, 161013), (60, 107342), (120, 53671), (191, 33720), (281, 22920), (382, 16860), (562, 11460), (573, 11240), (764, 8430), (843, 7640), (955, 6744), (1124, 5730), (1146, 5620), (1405, 4584), (1528, 4215), (1686, 3820), (1910, 3372), (2248, 2865), (2292, 2810)]