81863040

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{6091}}^1$

素因数の和:6120

約数の個数: 128

約数和(自身を含む): 298264320

約数和(自身を除く): 216401280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6091, 6720, 12182, 13440, 18273, 24364, 30455, 36546, 42637, 48728, 60910, 73092, 85274, 91365, 97456, 121820, 127911, 146184, 170548, 182730, 194912, 213185, 243640, 255822, 292368, 341096, 365460, 389824, 426370, 487280, 511644, 584736, 639555, 682192, 730920, 779648, 852740, 974560, 1023288, 1169472, 1279110, 1364384, 1461840, 1705480, 1949120, 2046576, 2338944, 2558220, 2728768, 2923680, 3410960, 3898240, 4093152, 5116440, 5457536, 5847360, 6821920, 8186304, 10232880, 11694720, 13643840, 16372608, 20465760, 27287680, 40931520, 81863040]

約数ペア:

[(1, 81863040), (2, 40931520), (3, 27287680), (4, 20465760), (5, 16372608), (6, 13643840), (7, 11694720), (8, 10232880), (10, 8186304), (12, 6821920), (14, 5847360), (15, 5457536), (16, 5116440), (20, 4093152), (21, 3898240), (24, 3410960), (28, 2923680), (30, 2728768), (32, 2558220), (35, 2338944), (40, 2046576), (42, 1949120), (48, 1705480), (56, 1461840), (60, 1364384), (64, 1279110), (70, 1169472), (80, 1023288), (84, 974560), (96, 852740), (105, 779648), (112, 730920), (120, 682192), (128, 639555), (140, 584736), (160, 511644), (168, 487280), (192, 426370), (210, 389824), (224, 365460), (240, 341096), (280, 292368), (320, 255822), (336, 243640), (384, 213185), (420, 194912), (448, 182730), (480, 170548), (560, 146184), (640, 127911), (672, 121820), (840, 97456), (896, 91365), (960, 85274), (1120, 73092), (1344, 60910), (1680, 48728), (1920, 42637), (2240, 36546), (2688, 30455), (3360, 24364), (4480, 18273), (6091, 13440), (6720, 12182)]