18015120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:341

約数の個数: 120

約数和(自身を含む): 61281792

約数和(自身を除く): 43266672

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 131, 144, 180, 191, 240, 262, 360, 382, 393, 524, 573, 655, 720, 764, 786, 955, 1048, 1146, 1179, 1310, 1528, 1572, 1719, 1910, 1965, 2096, 2292, 2358, 2620, 2865, 3056, 3144, 3438, 3820, 3930, 4584, 4716, 5240, 5730, 5895, 6288, 6876, 7640, 7860, 8595, 9168, 9432, 10480, 11460, 11790, 13752, 15280, 15720, 17190, 18864, 22920, 23580, 25021, 27504, 31440, 34380, 45840, 47160, 50042, 68760, 75063, 94320, 100084, 125105, 137520, 150126, 200168, 225189, 250210, 300252, 375315, 400336, 450378, 500420, 600504, 750630, 900756, 1000840, 1125945, 1201008, 1501260, 1801512, 2001680, 2251890, 3002520, 3603024, 4503780, 6005040, 9007560, 18015120]

約数ペア:

[(1, 18015120), (2, 9007560), (3, 6005040), (4, 4503780), (5, 3603024), (6, 3002520), (8, 2251890), (9, 2001680), (10, 1801512), (12, 1501260), (15, 1201008), (16, 1125945), (18, 1000840), (20, 900756), (24, 750630), (30, 600504), (36, 500420), (40, 450378), (45, 400336), (48, 375315), (60, 300252), (72, 250210), (80, 225189), (90, 200168), (120, 150126), (131, 137520), (144, 125105), (180, 100084), (191, 94320), (240, 75063), (262, 68760), (360, 50042), (382, 47160), (393, 45840), (524, 34380), (573, 31440), (655, 27504), (720, 25021), (764, 23580), (786, 22920), (955, 18864), (1048, 17190), (1146, 15720), (1179, 15280), (1310, 13752), (1528, 11790), (1572, 11460), (1719, 10480), (1910, 9432), (1965, 9168), (2096, 8595), (2292, 7860), (2358, 7640), (2620, 6876), (2865, 6288), (3056, 5895), (3144, 5730), (3438, 5240), (3820, 4716), (3930, 4584)]