19965600

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:132

約数の個数: 216

約数和(自身を含む): 73120320

約数和(自身を除く): 53154720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 47, 48, 50, 59, 60, 72, 75, 80, 90, 94, 96, 100, 118, 120, 141, 144, 150, 160, 177, 180, 188, 200, 225, 235, 236, 240, 282, 288, 295, 300, 354, 360, 376, 400, 423, 450, 470, 472, 480, 531, 564, 590, 600, 705, 708, 720, 752, 800, 846, 885, 900, 940, 944, 1062, 1128, 1175, 1180, 1200, 1410, 1416, 1440, 1475, 1504, 1692, 1770, 1800, 1880, 1888, 2115, 2124, 2256, 2350, 2360, 2400, 2655, 2773, 2820, 2832, 2950, 3384, 3525, 3540, 3600, 3760, 4230, 4248, 4425, 4512, 4700, 4720, 5310, 5546, 5640, 5664, 5900, 6768, 7050, 7080, 7200, 7520, 8319, 8460, 8496, 8850, 9400, 9440, 10575, 10620, 11092, 11280, 11800, 13275, 13536, 13865, 14100, 14160, 16638, 16920, 16992, 17700, 18800, 21150, 21240, 22184, 22560, 23600, 24957, 26550, 27730, 28200, 28320, 33276, 33840, 35400, 37600, 41595, 42300, 42480, 44368, 47200, 49914, 53100, 55460, 56400, 66552, 67680, 69325, 70800, 83190, 84600, 84960, 88736, 99828, 106200, 110920, 112800, 124785, 133104, 138650, 141600, 166380, 169200, 199656, 207975, 212400, 221840, 249570, 266208, 277300, 332760, 338400, 399312, 415950, 424800, 443680, 499140, 554600, 623925, 665520, 798624, 831900, 998280, 1109200, 1247850, 1331040, 1663800, 1996560, 2218400, 2495700, 3327600, 3993120, 4991400, 6655200, 9982800, 19965600]

約数ペア:

[(1, 19965600), (2, 9982800), (3, 6655200), (4, 4991400), (5, 3993120), (6, 3327600), (8, 2495700), (9, 2218400), (10, 1996560), (12, 1663800), (15, 1331040), (16, 1247850), (18, 1109200), (20, 998280), (24, 831900), (25, 798624), (30, 665520), (32, 623925), (36, 554600), (40, 499140), (45, 443680), (47, 424800), (48, 415950), (50, 399312), (59, 338400), (60, 332760), (72, 277300), (75, 266208), (80, 249570), (90, 221840), (94, 212400), (96, 207975), (100, 199656), (118, 169200), (120, 166380), (141, 141600), (144, 138650), (150, 133104), (160, 124785), (177, 112800), (180, 110920), (188, 106200), (200, 99828), (225, 88736), (235, 84960), (236, 84600), (240, 83190), (282, 70800), (288, 69325), (295, 67680), (300, 66552), (354, 56400), (360, 55460), (376, 53100), (400, 49914), (423, 47200), (450, 44368), (470, 42480), (472, 42300), (480, 41595), (531, 37600), (564, 35400), (590, 33840), (600, 33276), (705, 28320), (708, 28200), (720, 27730), (752, 26550), (800, 24957), (846, 23600), (885, 22560), (900, 22184), (940, 21240), (944, 21150), (1062, 18800), (1128, 17700), (1175, 16992), (1180, 16920), (1200, 16638), (1410, 14160), (1416, 14100), (1440, 13865), (1475, 13536), (1504, 13275), (1692, 11800), (1770, 11280), (1800, 11092), (1880, 10620), (1888, 10575), (2115, 9440), (2124, 9400), (2256, 8850), (2350, 8496), (2360, 8460), (2400, 8319), (2655, 7520), (2773, 7200), (2820, 7080), (2832, 7050), (2950, 6768), (3384, 5900), (3525, 5664), (3540, 5640), (3600, 5546), (3760, 5310), (4230, 4720), (4248, 4700), (4425, 4512)]