42871860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 138378240

約数和(自身を除く): 95506380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 43, 45, 58, 60, 86, 87, 90, 116, 129, 145, 172, 174, 180, 191, 215, 258, 261, 290, 348, 382, 387, 430, 435, 516, 522, 573, 580, 645, 764, 774, 860, 870, 955, 1044, 1146, 1247, 1290, 1305, 1548, 1719, 1740, 1910, 1935, 2292, 2494, 2580, 2610, 2865, 3438, 3741, 3820, 3870, 4988, 5220, 5539, 5730, 6235, 6876, 7482, 7740, 8213, 8595, 11078, 11223, 11460, 12470, 14964, 16426, 16617, 17190, 18705, 22156, 22446, 24639, 24940, 27695, 32852, 33234, 34380, 37410, 41065, 44892, 49278, 49851, 55390, 56115, 66468, 73917, 74820, 82130, 83085, 98556, 99702, 110780, 112230, 123195, 147834, 164260, 166170, 199404, 224460, 238177, 246390, 249255, 295668, 332340, 369585, 476354, 492780, 498510, 714531, 739170, 952708, 997020, 1190885, 1429062, 1478340, 2143593, 2381770, 2858124, 3572655, 4287186, 4763540, 7145310, 8574372, 10717965, 14290620, 21435930, 42871860]

約数ペア:

[(1, 42871860), (2, 21435930), (3, 14290620), (4, 10717965), (5, 8574372), (6, 7145310), (9, 4763540), (10, 4287186), (12, 3572655), (15, 2858124), (18, 2381770), (20, 2143593), (29, 1478340), (30, 1429062), (36, 1190885), (43, 997020), (45, 952708), (58, 739170), (60, 714531), (86, 498510), (87, 492780), (90, 476354), (116, 369585), (129, 332340), (145, 295668), (172, 249255), (174, 246390), (180, 238177), (191, 224460), (215, 199404), (258, 166170), (261, 164260), (290, 147834), (348, 123195), (382, 112230), (387, 110780), (430, 99702), (435, 98556), (516, 83085), (522, 82130), (573, 74820), (580, 73917), (645, 66468), (764, 56115), (774, 55390), (860, 49851), (870, 49278), (955, 44892), (1044, 41065), (1146, 37410), (1247, 34380), (1290, 33234), (1305, 32852), (1548, 27695), (1719, 24940), (1740, 24639), (1910, 22446), (1935, 22156), (2292, 18705), (2494, 17190), (2580, 16617), (2610, 16426), (2865, 14964), (3438, 12470), (3741, 11460), (3820, 11223), (3870, 11078), (4988, 8595), (5220, 8213), (5539, 7740), (5730, 7482), (6235, 6876)]