261005220

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2381}}^1$

素因数の和:2435

約数の個数: 192

約数和(自身を含む): 960422400

約数和(自身を除く): 699417180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 29, 30, 35, 36, 42, 45, 54, 58, 60, 63, 70, 84, 87, 90, 105, 108, 116, 126, 135, 140, 145, 174, 180, 189, 203, 210, 252, 261, 270, 290, 315, 348, 378, 406, 420, 435, 522, 540, 580, 609, 630, 756, 783, 812, 870, 945, 1015, 1044, 1218, 1260, 1305, 1566, 1740, 1827, 1890, 2030, 2381, 2436, 2610, 3045, 3132, 3654, 3780, 3915, 4060, 4762, 5220, 5481, 6090, 7143, 7308, 7830, 9135, 9524, 10962, 11905, 12180, 14286, 15660, 16667, 18270, 21429, 21924, 23810, 27405, 28572, 33334, 35715, 36540, 42858, 47620, 50001, 54810, 64287, 66668, 69049, 71430, 83335, 85716, 100002, 107145, 109620, 128574, 138098, 142860, 150003, 166670, 200004, 207147, 214290, 250005, 257148, 276196, 300006, 321435, 333340, 345245, 414294, 428580, 450009, 483343, 500010, 600012, 621441, 642870, 690490, 750015, 828588, 900018, 966686, 1000020, 1035735, 1242882, 1285740, 1380980, 1450029, 1500030, 1800036, 1864323, 1933372, 2071470, 2250045, 2416715, 2485764, 2900058, 3000060, 3107205, 3728646, 4142940, 4350087, 4500090, 4833430, 5800116, 6214410, 7250145, 7457292, 8700174, 9000180, 9321615, 9666860, 12428820, 13050261, 14500290, 17400348, 18643230, 21750435, 26100522, 29000580, 37286460, 43500870, 52201044, 65251305, 87001740, 130502610, 261005220]

約数ペア:

[(1, 261005220), (2, 130502610), (3, 87001740), (4, 65251305), (5, 52201044), (6, 43500870), (7, 37286460), (9, 29000580), (10, 26100522), (12, 21750435), (14, 18643230), (15, 17400348), (18, 14500290), (20, 13050261), (21, 12428820), (27, 9666860), (28, 9321615), (29, 9000180), (30, 8700174), (35, 7457292), (36, 7250145), (42, 6214410), (45, 5800116), (54, 4833430), (58, 4500090), (60, 4350087), (63, 4142940), (70, 3728646), (84, 3107205), (87, 3000060), (90, 2900058), (105, 2485764), (108, 2416715), (116, 2250045), (126, 2071470), (135, 1933372), (140, 1864323), (145, 1800036), (174, 1500030), (180, 1450029), (189, 1380980), (203, 1285740), (210, 1242882), (252, 1035735), (261, 1000020), (270, 966686), (290, 900018), (315, 828588), (348, 750015), (378, 690490), (406, 642870), (420, 621441), (435, 600012), (522, 500010), (540, 483343), (580, 450009), (609, 428580), (630, 414294), (756, 345245), (783, 333340), (812, 321435), (870, 300006), (945, 276196), (1015, 257148), (1044, 250005), (1218, 214290), (1260, 207147), (1305, 200004), (1566, 166670), (1740, 150003), (1827, 142860), (1890, 138098), (2030, 128574), (2381, 109620), (2436, 107145), (2610, 100002), (3045, 85716), (3132, 83335), (3654, 71430), (3780, 69049), (3915, 66668), (4060, 64287), (4762, 54810), (5220, 50001), (5481, 47620), (6090, 42858), (7143, 36540), (7308, 35715), (7830, 33334), (9135, 28572), (9524, 27405), (10962, 23810), (11905, 21924), (12180, 21429), (14286, 18270), (15660, 16667)]