131329980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:364

約数の個数: 144

約数和(自身を含む): 417362400

約数和(自身を除く): 286032420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 139, 145, 174, 180, 181, 261, 278, 290, 348, 362, 417, 435, 522, 543, 556, 580, 695, 724, 834, 870, 905, 1044, 1086, 1251, 1305, 1390, 1629, 1668, 1740, 1810, 2085, 2172, 2502, 2610, 2715, 2780, 3258, 3620, 4031, 4170, 5004, 5220, 5249, 5430, 6255, 6516, 8062, 8145, 8340, 10498, 10860, 12093, 12510, 15747, 16124, 16290, 20155, 20996, 24186, 25020, 25159, 26245, 31494, 32580, 36279, 40310, 47241, 48372, 50318, 52490, 60465, 62988, 72558, 75477, 78735, 80620, 94482, 100636, 104980, 120930, 125795, 145116, 150954, 157470, 181395, 188964, 226431, 236205, 241860, 251590, 301908, 314940, 362790, 377385, 452862, 472410, 503180, 725580, 729611, 754770, 905724, 944820, 1132155, 1459222, 1509540, 2188833, 2264310, 2918444, 3648055, 4377666, 4528620, 6566499, 7296110, 8755332, 10944165, 13132998, 14592220, 21888330, 26265996, 32832495, 43776660, 65664990, 131329980]

約数ペア:

[(1, 131329980), (2, 65664990), (3, 43776660), (4, 32832495), (5, 26265996), (6, 21888330), (9, 14592220), (10, 13132998), (12, 10944165), (15, 8755332), (18, 7296110), (20, 6566499), (29, 4528620), (30, 4377666), (36, 3648055), (45, 2918444), (58, 2264310), (60, 2188833), (87, 1509540), (90, 1459222), (116, 1132155), (139, 944820), (145, 905724), (174, 754770), (180, 729611), (181, 725580), (261, 503180), (278, 472410), (290, 452862), (348, 377385), (362, 362790), (417, 314940), (435, 301908), (522, 251590), (543, 241860), (556, 236205), (580, 226431), (695, 188964), (724, 181395), (834, 157470), (870, 150954), (905, 145116), (1044, 125795), (1086, 120930), (1251, 104980), (1305, 100636), (1390, 94482), (1629, 80620), (1668, 78735), (1740, 75477), (1810, 72558), (2085, 62988), (2172, 60465), (2502, 52490), (2610, 50318), (2715, 48372), (2780, 47241), (3258, 40310), (3620, 36279), (4031, 32580), (4170, 31494), (5004, 26245), (5220, 25159), (5249, 25020), (5430, 24186), (6255, 20996), (6516, 20155), (8062, 16290), (8145, 16124), (8340, 15747), (10498, 12510), (10860, 12093)]