19749600

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:250

約数の個数: 216

約数和(自身を含む): 75354552

約数和(自身を除く): 55604952

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 30, 32, 36, 39, 40, 45, 48, 50, 52, 60, 65, 72, 75, 78, 80, 90, 96, 100, 104, 117, 120, 130, 144, 150, 156, 160, 180, 195, 200, 208, 211, 225, 234, 240, 260, 288, 300, 312, 325, 360, 390, 400, 416, 422, 450, 468, 480, 520, 585, 600, 624, 633, 650, 720, 780, 800, 844, 900, 936, 975, 1040, 1055, 1170, 1200, 1248, 1266, 1300, 1440, 1560, 1688, 1800, 1872, 1899, 1950, 2080, 2110, 2340, 2400, 2532, 2600, 2743, 2925, 3120, 3165, 3376, 3600, 3744, 3798, 3900, 4220, 4680, 5064, 5200, 5275, 5486, 5850, 6240, 6330, 6752, 7200, 7596, 7800, 8229, 8440, 9360, 9495, 10128, 10400, 10550, 10972, 11700, 12660, 13715, 15192, 15600, 15825, 16458, 16880, 18720, 18990, 20256, 21100, 21944, 23400, 24687, 25320, 27430, 30384, 31200, 31650, 32916, 33760, 37980, 41145, 42200, 43888, 46800, 47475, 49374, 50640, 54860, 60768, 63300, 65832, 68575, 75960, 82290, 84400, 87776, 93600, 94950, 98748, 101280, 109720, 123435, 126600, 131664, 137150, 151920, 164580, 168800, 189900, 197496, 205725, 219440, 246870, 253200, 263328, 274300, 303840, 329160, 379800, 394992, 411450, 438880, 493740, 506400, 548600, 617175, 658320, 759600, 789984, 822900, 987480, 1097200, 1234350, 1316640, 1519200, 1645800, 1974960, 2194400, 2468700, 3291600, 3949920, 4937400, 6583200, 9874800, 19749600]

約数ペア:

[(1, 19749600), (2, 9874800), (3, 6583200), (4, 4937400), (5, 3949920), (6, 3291600), (8, 2468700), (9, 2194400), (10, 1974960), (12, 1645800), (13, 1519200), (15, 1316640), (16, 1234350), (18, 1097200), (20, 987480), (24, 822900), (25, 789984), (26, 759600), (30, 658320), (32, 617175), (36, 548600), (39, 506400), (40, 493740), (45, 438880), (48, 411450), (50, 394992), (52, 379800), (60, 329160), (65, 303840), (72, 274300), (75, 263328), (78, 253200), (80, 246870), (90, 219440), (96, 205725), (100, 197496), (104, 189900), (117, 168800), (120, 164580), (130, 151920), (144, 137150), (150, 131664), (156, 126600), (160, 123435), (180, 109720), (195, 101280), (200, 98748), (208, 94950), (211, 93600), (225, 87776), (234, 84400), (240, 82290), (260, 75960), (288, 68575), (300, 65832), (312, 63300), (325, 60768), (360, 54860), (390, 50640), (400, 49374), (416, 47475), (422, 46800), (450, 43888), (468, 42200), (480, 41145), (520, 37980), (585, 33760), (600, 32916), (624, 31650), (633, 31200), (650, 30384), (720, 27430), (780, 25320), (800, 24687), (844, 23400), (900, 21944), (936, 21100), (975, 20256), (1040, 18990), (1055, 18720), (1170, 16880), (1200, 16458), (1248, 15825), (1266, 15600), (1300, 15192), (1440, 13715), (1560, 12660), (1688, 11700), (1800, 10972), (1872, 10550), (1899, 10400), (1950, 10128), (2080, 9495), (2110, 9360), (2340, 8440), (2400, 8229), (2532, 7800), (2600, 7596), (2743, 7200), (2925, 6752), (3120, 6330), (3165, 6240), (3376, 5850), (3600, 5486), (3744, 5275), (3798, 5200), (3900, 5064), (4220, 4680)]