820907280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{36779}}^1$

素因数の和:36829

約数の個数: 120

約数和(自身を含む): 2845889280

約数和(自身を除く): 2024982000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 22320, 36779, 73558, 110337, 147116, 183895, 220674, 294232, 331011, 367790, 441348, 551685, 588464, 662022, 735580, 882696, 1103370, 1140149, 1324044, 1471160, 1655055, 1765392, 2206740, 2280298, 2648088, 2942320, 3310110, 3420447, 4413480, 4560596, 5296176, 5700745, 6620220, 6840894, 8826960, 9121192, 10261341, 11401490, 13240440, 13681788, 17102235, 18242384, 20522682, 22802980, 26480880, 27363576, 34204470, 41045364, 45605960, 51306705, 54727152, 68408940, 82090728, 91211920, 102613410, 136817880, 164181456, 205226820, 273635760, 410453640, 820907280]

約数ペア:

[(1, 820907280), (2, 410453640), (3, 273635760), (4, 205226820), (5, 164181456), (6, 136817880), (8, 102613410), (9, 91211920), (10, 82090728), (12, 68408940), (15, 54727152), (16, 51306705), (18, 45605960), (20, 41045364), (24, 34204470), (30, 27363576), (31, 26480880), (36, 22802980), (40, 20522682), (45, 18242384), (48, 17102235), (60, 13681788), (62, 13240440), (72, 11401490), (80, 10261341), (90, 9121192), (93, 8826960), (120, 6840894), (124, 6620220), (144, 5700745), (155, 5296176), (180, 4560596), (186, 4413480), (240, 3420447), (248, 3310110), (279, 2942320), (310, 2648088), (360, 2280298), (372, 2206740), (465, 1765392), (496, 1655055), (558, 1471160), (620, 1324044), (720, 1140149), (744, 1103370), (930, 882696), (1116, 735580), (1240, 662022), (1395, 588464), (1488, 551685), (1860, 441348), (2232, 367790), (2480, 331011), (2790, 294232), (3720, 220674), (4464, 183895), (5580, 147116), (7440, 110337), (11160, 73558), (22320, 36779)]