1131681780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9839}}^1$

素因数の和:9931

約数の個数: 120

約数和(自身を含む): 3600495360

約数和(自身を除く): 2468813580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 81, 90, 108, 135, 142, 162, 180, 213, 270, 284, 324, 355, 405, 426, 540, 639, 710, 810, 852, 1065, 1278, 1420, 1620, 1917, 2130, 2556, 3195, 3834, 4260, 5751, 6390, 7668, 9585, 9839, 11502, 12780, 19170, 19678, 23004, 28755, 29517, 38340, 39356, 49195, 57510, 59034, 88551, 98390, 115020, 118068, 147585, 177102, 196780, 265653, 295170, 354204, 442755, 531306, 590340, 698569, 796959, 885510, 1062612, 1328265, 1397138, 1593918, 1771020, 2095707, 2656530, 2794276, 3187836, 3492845, 3984795, 4191414, 5313060, 6287121, 6985690, 7969590, 8382828, 10478535, 12574242, 13971380, 15939180, 18861363, 20957070, 25148484, 31435605, 37722726, 41914140, 56584089, 62871210, 75445452, 94306815, 113168178, 125742420, 188613630, 226336356, 282920445, 377227260, 565840890, 1131681780]

約数ペア:

[(1, 1131681780), (2, 565840890), (3, 377227260), (4, 282920445), (5, 226336356), (6, 188613630), (9, 125742420), (10, 113168178), (12, 94306815), (15, 75445452), (18, 62871210), (20, 56584089), (27, 41914140), (30, 37722726), (36, 31435605), (45, 25148484), (54, 20957070), (60, 18861363), (71, 15939180), (81, 13971380), (90, 12574242), (108, 10478535), (135, 8382828), (142, 7969590), (162, 6985690), (180, 6287121), (213, 5313060), (270, 4191414), (284, 3984795), (324, 3492845), (355, 3187836), (405, 2794276), (426, 2656530), (540, 2095707), (639, 1771020), (710, 1593918), (810, 1397138), (852, 1328265), (1065, 1062612), (1278, 885510), (1420, 796959), (1620, 698569), (1917, 590340), (2130, 531306), (2556, 442755), (3195, 354204), (3834, 295170), (4260, 265653), (5751, 196780), (6390, 177102), (7668, 147585), (9585, 118068), (9839, 115020), (11502, 98390), (12780, 88551), (19170, 59034), (19678, 57510), (23004, 49195), (28755, 39356), (29517, 38340)]