80408520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{557}}^1$

素因数の和:975

約数の個数: 96

約数和(自身を含む): 262449720

約数和(自身を除く): 182041200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 401, 557, 802, 1114, 1203, 1604, 1671, 2005, 2228, 2406, 2785, 3208, 3342, 3609, 4010, 4456, 4812, 5013, 5570, 6015, 6684, 7218, 8020, 8355, 9624, 10026, 11140, 12030, 13368, 14436, 16040, 16710, 18045, 20052, 22280, 24060, 25065, 28872, 33420, 36090, 40104, 48120, 50130, 66840, 72180, 100260, 144360, 200520, 223357, 446714, 670071, 893428, 1116785, 1340142, 1786856, 2010213, 2233570, 2680284, 3350355, 4020426, 4467140, 5360568, 6700710, 8040852, 8934280, 10051065, 13401420, 16081704, 20102130, 26802840, 40204260, 80408520]

約数ペア:

[(1, 80408520), (2, 40204260), (3, 26802840), (4, 20102130), (5, 16081704), (6, 13401420), (8, 10051065), (9, 8934280), (10, 8040852), (12, 6700710), (15, 5360568), (18, 4467140), (20, 4020426), (24, 3350355), (30, 2680284), (36, 2233570), (40, 2010213), (45, 1786856), (60, 1340142), (72, 1116785), (90, 893428), (120, 670071), (180, 446714), (360, 223357), (401, 200520), (557, 144360), (802, 100260), (1114, 72180), (1203, 66840), (1604, 50130), (1671, 48120), (2005, 40104), (2228, 36090), (2406, 33420), (2785, 28872), (3208, 25065), (3342, 24060), (3609, 22280), (4010, 20052), (4456, 18045), (4812, 16710), (5013, 16040), (5570, 14436), (6015, 13368), (6684, 12030), (7218, 11140), (8020, 10026), (8355, 9624)]