18853800

素因数分解:

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

素因数の和:160

約数の個数: 144

約数和(自身を含む): 67808160

約数和(自身を除く): 48954360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 67, 70, 75, 84, 100, 105, 120, 134, 140, 150, 168, 175, 200, 201, 210, 268, 280, 300, 335, 350, 402, 420, 469, 525, 536, 600, 670, 700, 804, 840, 938, 1005, 1050, 1340, 1400, 1407, 1608, 1675, 1876, 2010, 2100, 2345, 2680, 2814, 3350, 3752, 4020, 4200, 4489, 4690, 5025, 5628, 6700, 7035, 8040, 8978, 9380, 10050, 11256, 11725, 13400, 13467, 14070, 17956, 18760, 20100, 22445, 23450, 26934, 28140, 31423, 35175, 35912, 40200, 44890, 46900, 53868, 56280, 62846, 67335, 70350, 89780, 93800, 94269, 107736, 112225, 125692, 134670, 140700, 157115, 179560, 188538, 224450, 251384, 269340, 281400, 314230, 336675, 377076, 448900, 471345, 538680, 628460, 673350, 754152, 785575, 897800, 942690, 1256920, 1346700, 1571150, 1885380, 2356725, 2693400, 3142300, 3770760, 4713450, 6284600, 9426900, 18853800]

約数ペア:

[(1, 18853800), (2, 9426900), (3, 6284600), (4, 4713450), (5, 3770760), (6, 3142300), (7, 2693400), (8, 2356725), (10, 1885380), (12, 1571150), (14, 1346700), (15, 1256920), (20, 942690), (21, 897800), (24, 785575), (25, 754152), (28, 673350), (30, 628460), (35, 538680), (40, 471345), (42, 448900), (50, 377076), (56, 336675), (60, 314230), (67, 281400), (70, 269340), (75, 251384), (84, 224450), (100, 188538), (105, 179560), (120, 157115), (134, 140700), (140, 134670), (150, 125692), (168, 112225), (175, 107736), (200, 94269), (201, 93800), (210, 89780), (268, 70350), (280, 67335), (300, 62846), (335, 56280), (350, 53868), (402, 46900), (420, 44890), (469, 40200), (525, 35912), (536, 35175), (600, 31423), (670, 28140), (700, 26934), (804, 23450), (840, 22445), (938, 20100), (1005, 18760), (1050, 17956), (1340, 14070), (1400, 13467), (1407, 13400), (1608, 11725), (1675, 11256), (1876, 10050), (2010, 9380), (2100, 8978), (2345, 8040), (2680, 7035), (2814, 6700), (3350, 5628), (3752, 5025), (4020, 4690), (4200, 4489)]