515574720

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{19891}}^1$

素因数の和:19920

約数の個数: 140

約数和(自身を含む): 1834082184

約数和(自身を除く): 1318507464

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, 19891, 25920, 39782, 59673, 79564, 99455, 119346, 159128, 179019, 198910, 238692, 298365, 318256, 358038, 397820, 477384, 537057, 596730, 636512, 716076, 795640, 895095, 954768, 1074114, 1193460, 1273024, 1432152, 1591280, 1611171, 1790190, 1909536, 2148228, 2386920, 2685285, 2864304, 3182560, 3222342, 3580380, 3819072, 4296456, 4773840, 5370570, 5728608, 6365120, 6444684, 7160760, 8055855, 8592912, 9547680, 10741140, 11457216, 12889368, 14321520, 16111710, 17185824, 19095360, 21482280, 25778736, 28643040, 32223420, 34371648, 42964560, 51557472, 57286080, 64446840, 85929120, 103114944, 128893680, 171858240, 257787360, 515574720]

約数ペア:

[(1, 515574720), (2, 257787360), (3, 171858240), (4, 128893680), (5, 103114944), (6, 85929120), (8, 64446840), (9, 57286080), (10, 51557472), (12, 42964560), (15, 34371648), (16, 32223420), (18, 28643040), (20, 25778736), (24, 21482280), (27, 19095360), (30, 17185824), (32, 16111710), (36, 14321520), (40, 12889368), (45, 11457216), (48, 10741140), (54, 9547680), (60, 8592912), (64, 8055855), (72, 7160760), (80, 6444684), (81, 6365120), (90, 5728608), (96, 5370570), (108, 4773840), (120, 4296456), (135, 3819072), (144, 3580380), (160, 3222342), (162, 3182560), (180, 2864304), (192, 2685285), (216, 2386920), (240, 2148228), (270, 1909536), (288, 1790190), (320, 1611171), (324, 1591280), (360, 1432152), (405, 1273024), (432, 1193460), (480, 1074114), (540, 954768), (576, 895095), (648, 795640), (720, 716076), (810, 636512), (864, 596730), (960, 537057), (1080, 477384), (1296, 397820), (1440, 358038), (1620, 318256), (1728, 298365), (2160, 238692), (2592, 198910), (2880, 179019), (3240, 159128), (4320, 119346), (5184, 99455), (6480, 79564), (8640, 59673), (12960, 39782), (19891, 25920)]