21424800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:215

約数の個数: 144

約数和(自身を含む): 71245440

約数和(自身を除く): 49820640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 79, 80, 96, 100, 113, 120, 150, 158, 160, 200, 226, 237, 240, 300, 316, 339, 395, 400, 452, 474, 480, 565, 600, 632, 678, 790, 800, 904, 948, 1130, 1185, 1200, 1264, 1356, 1580, 1695, 1808, 1896, 1975, 2260, 2370, 2400, 2528, 2712, 2825, 3160, 3390, 3616, 3792, 3950, 4520, 4740, 5424, 5650, 5925, 6320, 6780, 7584, 7900, 8475, 8927, 9040, 9480, 10848, 11300, 11850, 12640, 13560, 15800, 16950, 17854, 18080, 18960, 22600, 23700, 26781, 27120, 31600, 33900, 35708, 37920, 44635, 45200, 47400, 53562, 54240, 63200, 67800, 71416, 89270, 90400, 94800, 107124, 133905, 135600, 142832, 178540, 189600, 214248, 223175, 267810, 271200, 285664, 357080, 428496, 446350, 535620, 669525, 714160, 856992, 892700, 1071240, 1339050, 1428320, 1785400, 2142480, 2678100, 3570800, 4284960, 5356200, 7141600, 10712400, 21424800]

約数ペア:

[(1, 21424800), (2, 10712400), (3, 7141600), (4, 5356200), (5, 4284960), (6, 3570800), (8, 2678100), (10, 2142480), (12, 1785400), (15, 1428320), (16, 1339050), (20, 1071240), (24, 892700), (25, 856992), (30, 714160), (32, 669525), (40, 535620), (48, 446350), (50, 428496), (60, 357080), (75, 285664), (79, 271200), (80, 267810), (96, 223175), (100, 214248), (113, 189600), (120, 178540), (150, 142832), (158, 135600), (160, 133905), (200, 107124), (226, 94800), (237, 90400), (240, 89270), (300, 71416), (316, 67800), (339, 63200), (395, 54240), (400, 53562), (452, 47400), (474, 45200), (480, 44635), (565, 37920), (600, 35708), (632, 33900), (678, 31600), (790, 27120), (800, 26781), (904, 23700), (948, 22600), (1130, 18960), (1185, 18080), (1200, 17854), (1264, 16950), (1356, 15800), (1580, 13560), (1695, 12640), (1808, 11850), (1896, 11300), (1975, 10848), (2260, 9480), (2370, 9040), (2400, 8927), (2528, 8475), (2712, 7900), (2825, 7584), (3160, 6780), (3390, 6320), (3616, 5925), (3792, 5650), (3950, 5424), (4520, 4740)]