12479940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{191}}^1$

素因数の和:231

約数の個数: 144

約数和(自身を含む): 42900480

約数和(自身を除く): 30420540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 121, 132, 135, 165, 180, 191, 198, 220, 242, 270, 297, 330, 363, 382, 396, 484, 495, 540, 573, 594, 605, 660, 726, 764, 955, 990, 1089, 1146, 1188, 1210, 1452, 1485, 1719, 1815, 1910, 1980, 2101, 2178, 2292, 2420, 2865, 2970, 3267, 3438, 3630, 3820, 4202, 4356, 5157, 5445, 5730, 5940, 6303, 6534, 6876, 7260, 8404, 8595, 10314, 10505, 10890, 11460, 12606, 13068, 16335, 17190, 18909, 20628, 21010, 21780, 23111, 25212, 25785, 31515, 32670, 34380, 37818, 42020, 46222, 51570, 56727, 63030, 65340, 69333, 75636, 92444, 94545, 103140, 113454, 115555, 126060, 138666, 189090, 207999, 226908, 231110, 277332, 283635, 346665, 378180, 415998, 462220, 567270, 623997, 693330, 831996, 1039995, 1134540, 1247994, 1386660, 2079990, 2495988, 3119985, 4159980, 6239970, 12479940]

約数ペア:

[(1, 12479940), (2, 6239970), (3, 4159980), (4, 3119985), (5, 2495988), (6, 2079990), (9, 1386660), (10, 1247994), (11, 1134540), (12, 1039995), (15, 831996), (18, 693330), (20, 623997), (22, 567270), (27, 462220), (30, 415998), (33, 378180), (36, 346665), (44, 283635), (45, 277332), (54, 231110), (55, 226908), (60, 207999), (66, 189090), (90, 138666), (99, 126060), (108, 115555), (110, 113454), (121, 103140), (132, 94545), (135, 92444), (165, 75636), (180, 69333), (191, 65340), (198, 63030), (220, 56727), (242, 51570), (270, 46222), (297, 42020), (330, 37818), (363, 34380), (382, 32670), (396, 31515), (484, 25785), (495, 25212), (540, 23111), (573, 21780), (594, 21010), (605, 20628), (660, 18909), (726, 17190), (764, 16335), (955, 13068), (990, 12606), (1089, 11460), (1146, 10890), (1188, 10505), (1210, 10314), (1452, 8595), (1485, 8404), (1719, 7260), (1815, 6876), (1910, 6534), (1980, 6303), (2101, 5940), (2178, 5730), (2292, 5445), (2420, 5157), (2865, 4356), (2970, 4202), (3267, 3820), (3438, 3630)]