1218435840

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{105767}}^1$

素因数の和:105794

約数の個数: 108

約数和(自身を含む): 4215700944

約数和(自身を除く): 2997265104

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 105767, 211534, 317301, 423068, 528835, 634602, 846136, 951903, 1057670, 1269204, 1586505, 1692272, 1903806, 2115340, 2538408, 3173010, 3384544, 3807612, 4230680, 4759515, 5076816, 6346020, 6769088, 7615224, 8461360, 9519030, 10153632, 12692040, 13538176, 15230448, 16922720, 19038060, 20307264, 25384080, 27076352, 30460896, 33845440, 38076120, 40614528, 50768160, 60921792, 67690880, 76152240, 81229056, 101536320, 121843584, 135381760, 152304480, 203072640, 243687168, 304608960, 406145280, 609217920, 1218435840]

約数ペア:

[(1, 1218435840), (2, 609217920), (3, 406145280), (4, 304608960), (5, 243687168), (6, 203072640), (8, 152304480), (9, 135381760), (10, 121843584), (12, 101536320), (15, 81229056), (16, 76152240), (18, 67690880), (20, 60921792), (24, 50768160), (30, 40614528), (32, 38076120), (36, 33845440), (40, 30460896), (45, 27076352), (48, 25384080), (60, 20307264), (64, 19038060), (72, 16922720), (80, 15230448), (90, 13538176), (96, 12692040), (120, 10153632), (128, 9519030), (144, 8461360), (160, 7615224), (180, 6769088), (192, 6346020), (240, 5076816), (256, 4759515), (288, 4230680), (320, 3807612), (360, 3384544), (384, 3173010), (480, 2538408), (576, 2115340), (640, 1903806), (720, 1692272), (768, 1586505), (960, 1269204), (1152, 1057670), (1280, 951903), (1440, 846136), (1920, 634602), (2304, 528835), (2880, 423068), (3840, 317301), (5760, 211534), (11520, 105767)]