28631520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{337}}^1$

素因数の和:417

約数の個数: 144

約数和(自身を含む): 99655920

約数和(自身を除く): 71024400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 59, 60, 72, 80, 90, 96, 118, 120, 144, 160, 177, 180, 236, 240, 288, 295, 337, 354, 360, 472, 480, 531, 590, 674, 708, 720, 885, 944, 1011, 1062, 1180, 1348, 1416, 1440, 1685, 1770, 1888, 2022, 2124, 2360, 2655, 2696, 2832, 3033, 3370, 3540, 4044, 4248, 4720, 5055, 5310, 5392, 5664, 6066, 6740, 7080, 8088, 8496, 9440, 10110, 10620, 10784, 12132, 13480, 14160, 15165, 16176, 16992, 19883, 20220, 21240, 24264, 26960, 28320, 30330, 32352, 39766, 40440, 42480, 48528, 53920, 59649, 60660, 79532, 80880, 84960, 97056, 99415, 119298, 121320, 159064, 161760, 178947, 198830, 238596, 242640, 298245, 318128, 357894, 397660, 477192, 485280, 596490, 636256, 715788, 795320, 894735, 954384, 1192980, 1431576, 1590640, 1789470, 1908768, 2385960, 2863152, 3181280, 3578940, 4771920, 5726304, 7157880, 9543840, 14315760, 28631520]

約数ペア:

[(1, 28631520), (2, 14315760), (3, 9543840), (4, 7157880), (5, 5726304), (6, 4771920), (8, 3578940), (9, 3181280), (10, 2863152), (12, 2385960), (15, 1908768), (16, 1789470), (18, 1590640), (20, 1431576), (24, 1192980), (30, 954384), (32, 894735), (36, 795320), (40, 715788), (45, 636256), (48, 596490), (59, 485280), (60, 477192), (72, 397660), (80, 357894), (90, 318128), (96, 298245), (118, 242640), (120, 238596), (144, 198830), (160, 178947), (177, 161760), (180, 159064), (236, 121320), (240, 119298), (288, 99415), (295, 97056), (337, 84960), (354, 80880), (360, 79532), (472, 60660), (480, 59649), (531, 53920), (590, 48528), (674, 42480), (708, 40440), (720, 39766), (885, 32352), (944, 30330), (1011, 28320), (1062, 26960), (1180, 24264), (1348, 21240), (1416, 20220), (1440, 19883), (1685, 16992), (1770, 16176), (1888, 15165), (2022, 14160), (2124, 13480), (2360, 12132), (2655, 10784), (2696, 10620), (2832, 10110), (3033, 9440), (3370, 8496), (3540, 8088), (4044, 7080), (4248, 6740), (4720, 6066), (5055, 5664), (5310, 5392)]