138738420

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{28547}}^1$

素因数の和:28571

約数の個数: 72

約数和(自身を含む): 436441824

約数和(自身を除く): 297703404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 28547, 57094, 85641, 114188, 142735, 171282, 256923, 285470, 342564, 428205, 513846, 570940, 770769, 856410, 1027692, 1284615, 1541538, 1712820, 2312307, 2569230, 3083076, 3853845, 4624614, 5138460, 6936921, 7707690, 9249228, 11561535, 13873842, 15415380, 23123070, 27747684, 34684605, 46246140, 69369210, 138738420]

約数ペア:

[(1, 138738420), (2, 69369210), (3, 46246140), (4, 34684605), (5, 27747684), (6, 23123070), (9, 15415380), (10, 13873842), (12, 11561535), (15, 9249228), (18, 7707690), (20, 6936921), (27, 5138460), (30, 4624614), (36, 3853845), (45, 3083076), (54, 2569230), (60, 2312307), (81, 1712820), (90, 1541538), (108, 1284615), (135, 1027692), (162, 856410), (180, 770769), (243, 570940), (270, 513846), (324, 428205), (405, 342564), (486, 285470), (540, 256923), (810, 171282), (972, 142735), (1215, 114188), (1620, 85641), (2430, 57094), (4860, 28547)]