398934720

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{15391}}^1$

素因数の和:15420

約数の個数: 140

約数和(自身を含む): 1419173184

約数和(自身を除く): 1020238464

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 5184, 6480, 8640, 12960, 15391, 25920, 30782, 46173, 61564, 76955, 92346, 123128, 138519, 153910, 184692, 230865, 246256, 277038, 307820, 369384, 415557, 461730, 492512, 554076, 615640, 692595, 738768, 831114, 923460, 985024, 1108152, 1231280, 1246671, 1385190, 1477536, 1662228, 1846920, 2077785, 2216304, 2462560, 2493342, 2770380, 2955072, 3324456, 3693840, 4155570, 4432608, 4925120, 4986684, 5540760, 6233355, 6648912, 7387680, 8311140, 8865216, 9973368, 11081520, 12466710, 13297824, 14775360, 16622280, 19946736, 22163040, 24933420, 26595648, 33244560, 39893472, 44326080, 49866840, 66489120, 79786944, 99733680, 132978240, 199467360, 398934720]

約数ペア:

[(1, 398934720), (2, 199467360), (3, 132978240), (4, 99733680), (5, 79786944), (6, 66489120), (8, 49866840), (9, 44326080), (10, 39893472), (12, 33244560), (15, 26595648), (16, 24933420), (18, 22163040), (20, 19946736), (24, 16622280), (27, 14775360), (30, 13297824), (32, 12466710), (36, 11081520), (40, 9973368), (45, 8865216), (48, 8311140), (54, 7387680), (60, 6648912), (64, 6233355), (72, 5540760), (80, 4986684), (81, 4925120), (90, 4432608), (96, 4155570), (108, 3693840), (120, 3324456), (135, 2955072), (144, 2770380), (160, 2493342), (162, 2462560), (180, 2216304), (192, 2077785), (216, 1846920), (240, 1662228), (270, 1477536), (288, 1385190), (320, 1246671), (324, 1231280), (360, 1108152), (405, 985024), (432, 923460), (480, 831114), (540, 738768), (576, 692595), (648, 615640), (720, 554076), (810, 492512), (864, 461730), (960, 415557), (1080, 369384), (1296, 307820), (1440, 277038), (1620, 246256), (1728, 230865), (2160, 184692), (2592, 153910), (2880, 138519), (3240, 123128), (4320, 92346), (5184, 76955), (6480, 61564), (8640, 46173), (12960, 30782), (15391, 25920)]