18921528960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{147089}}^1$

素因数の和:147178

約数の個数: 128

約数和(自身を含む): 61212974400

約数和(自身を除く): 42291445440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 67, 80, 96, 120, 128, 134, 160, 192, 201, 240, 268, 320, 335, 384, 402, 480, 536, 640, 670, 804, 960, 1005, 1072, 1340, 1608, 1920, 2010, 2144, 2680, 3216, 4020, 4288, 5360, 6432, 8040, 8576, 10720, 12864, 16080, 21440, 25728, 32160, 42880, 64320, 128640, 147089, 294178, 441267, 588356, 735445, 882534, 1176712, 1470890, 1765068, 2206335, 2353424, 2941780, 3530136, 4412670, 4706848, 5883560, 7060272, 8825340, 9413696, 9854963, 11767120, 14120544, 17650680, 18827392, 19709926, 23534240, 28241088, 29564889, 35301360, 39419852, 47068480, 49274815, 56482176, 59129778, 70602720, 78839704, 94136960, 98549630, 118259556, 141205440, 147824445, 157679408, 197099260, 236519112, 282410880, 295648890, 315358816, 394198520, 473038224, 591297780, 630717632, 788397040, 946076448, 1182595560, 1261435264, 1576794080, 1892152896, 2365191120, 3153588160, 3784305792, 4730382240, 6307176320, 9460764480, 18921528960]

約数ペア:

[(1, 18921528960), (2, 9460764480), (3, 6307176320), (4, 4730382240), (5, 3784305792), (6, 3153588160), (8, 2365191120), (10, 1892152896), (12, 1576794080), (15, 1261435264), (16, 1182595560), (20, 946076448), (24, 788397040), (30, 630717632), (32, 591297780), (40, 473038224), (48, 394198520), (60, 315358816), (64, 295648890), (67, 282410880), (80, 236519112), (96, 197099260), (120, 157679408), (128, 147824445), (134, 141205440), (160, 118259556), (192, 98549630), (201, 94136960), (240, 78839704), (268, 70602720), (320, 59129778), (335, 56482176), (384, 49274815), (402, 47068480), (480, 39419852), (536, 35301360), (640, 29564889), (670, 28241088), (804, 23534240), (960, 19709926), (1005, 18827392), (1072, 17650680), (1340, 14120544), (1608, 11767120), (1920, 9854963), (2010, 9413696), (2144, 8825340), (2680, 7060272), (3216, 5883560), (4020, 4706848), (4288, 4412670), (5360, 3530136), (6432, 2941780), (8040, 2353424), (8576, 2206335), (10720, 1765068), (12864, 1470890), (16080, 1176712), (21440, 882534), (25728, 735445), (32160, 588356), (42880, 441267), (64320, 294178), (128640, 147089)]