81553800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:200

約数の個数: 192

約数和(自身を含む): 270072000

約数和(自身を除く): 188518200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 29, 30, 40, 43, 50, 58, 60, 75, 86, 87, 100, 109, 116, 120, 129, 145, 150, 172, 174, 200, 215, 218, 232, 258, 290, 300, 327, 344, 348, 430, 435, 436, 516, 545, 580, 600, 645, 654, 696, 725, 860, 870, 872, 1032, 1075, 1090, 1160, 1247, 1290, 1308, 1450, 1635, 1720, 1740, 2150, 2175, 2180, 2494, 2580, 2616, 2725, 2900, 3161, 3225, 3270, 3480, 3741, 4300, 4350, 4360, 4687, 4988, 5160, 5450, 5800, 6235, 6322, 6450, 6540, 7482, 8175, 8600, 8700, 9374, 9483, 9976, 10900, 12470, 12644, 12900, 13080, 14061, 14964, 15805, 16350, 17400, 18705, 18748, 18966, 21800, 23435, 24940, 25288, 25800, 28122, 29928, 31175, 31610, 32700, 37410, 37496, 37932, 46870, 47415, 49880, 56244, 62350, 63220, 65400, 70305, 74820, 75864, 79025, 93525, 93740, 94830, 112488, 117175, 124700, 126440, 135923, 140610, 149640, 158050, 187050, 187480, 189660, 234350, 237075, 249400, 271846, 281220, 316100, 351525, 374100, 379320, 407769, 468700, 474150, 543692, 562440, 632200, 679615, 703050, 748200, 815538, 937400, 948300, 1087384, 1359230, 1406100, 1631076, 1896600, 2038845, 2718460, 2812200, 3262152, 3398075, 4077690, 5436920, 6796150, 8155380, 10194225, 13592300, 16310760, 20388450, 27184600, 40776900, 81553800]

約数ペア:

[(1, 81553800), (2, 40776900), (3, 27184600), (4, 20388450), (5, 16310760), (6, 13592300), (8, 10194225), (10, 8155380), (12, 6796150), (15, 5436920), (20, 4077690), (24, 3398075), (25, 3262152), (29, 2812200), (30, 2718460), (40, 2038845), (43, 1896600), (50, 1631076), (58, 1406100), (60, 1359230), (75, 1087384), (86, 948300), (87, 937400), (100, 815538), (109, 748200), (116, 703050), (120, 679615), (129, 632200), (145, 562440), (150, 543692), (172, 474150), (174, 468700), (200, 407769), (215, 379320), (218, 374100), (232, 351525), (258, 316100), (290, 281220), (300, 271846), (327, 249400), (344, 237075), (348, 234350), (430, 189660), (435, 187480), (436, 187050), (516, 158050), (545, 149640), (580, 140610), (600, 135923), (645, 126440), (654, 124700), (696, 117175), (725, 112488), (860, 94830), (870, 93740), (872, 93525), (1032, 79025), (1075, 75864), (1090, 74820), (1160, 70305), (1247, 65400), (1290, 63220), (1308, 62350), (1450, 56244), (1635, 49880), (1720, 47415), (1740, 46870), (2150, 37932), (2175, 37496), (2180, 37410), (2494, 32700), (2580, 31610), (2616, 31175), (2725, 29928), (2900, 28122), (3161, 25800), (3225, 25288), (3270, 24940), (3480, 23435), (3741, 21800), (4300, 18966), (4350, 18748), (4360, 18705), (4687, 17400), (4988, 16350), (5160, 15805), (5450, 14964), (5800, 14061), (6235, 13080), (6322, 12900), (6450, 12644), (6540, 12470), (7482, 10900), (8175, 9976), (8600, 9483), (8700, 9374)]