19429200

素因数分解:

$2^4\times 3^3\times 5^2\times 7^1\times {\mathrm{257}}^1$

素因数の和:291

約数の個数: 240

約数和(自身を含む): 79340160

約数和(自身を除く): 59910960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 27, 28, 30, 35, 36, 40, 42, 45, 48, 50, 54, 56, 60, 63, 70, 72, 75, 80, 84, 90, 100, 105, 108, 112, 120, 126, 135, 140, 144, 150, 168, 175, 180, 189, 200, 210, 216, 225, 240, 252, 257, 270, 280, 300, 315, 336, 350, 360, 378, 400, 420, 432, 450, 504, 514, 525, 540, 560, 600, 630, 675, 700, 720, 756, 771, 840, 900, 945, 1008, 1028, 1050, 1080, 1200, 1260, 1285, 1350, 1400, 1512, 1542, 1575, 1680, 1799, 1800, 1890, 2056, 2100, 2160, 2313, 2520, 2570, 2700, 2800, 3024, 3084, 3150, 3598, 3600, 3780, 3855, 4112, 4200, 4626, 4725, 5040, 5140, 5397, 5400, 6168, 6300, 6425, 6939, 7196, 7560, 7710, 8400, 8995, 9252, 9450, 10280, 10794, 10800, 11565, 12336, 12600, 12850, 13878, 14392, 15120, 15420, 16191, 17990, 18504, 18900, 19275, 20560, 21588, 23130, 25200, 25700, 26985, 27756, 28784, 30840, 32382, 34695, 35980, 37008, 37800, 38550, 43176, 44975, 46260, 48573, 51400, 53970, 55512, 57825, 61680, 64764, 69390, 71960, 75600, 77100, 80955, 86352, 89950, 92520, 97146, 102800, 107940, 111024, 115650, 129528, 134925, 138780, 143920, 154200, 161910, 173475, 179900, 185040, 194292, 215880, 231300, 242865, 259056, 269850, 277560, 308400, 323820, 346950, 359800, 388584, 404775, 431760, 462600, 485730, 539700, 555120, 647640, 693900, 719600, 777168, 809550, 925200, 971460, 1079400, 1214325, 1295280, 1387800, 1619100, 1942920, 2158800, 2428650, 2775600, 3238200, 3885840, 4857300, 6476400, 9714600, 19429200]

約数ペア:

[(1, 19429200), (2, 9714600), (3, 6476400), (4, 4857300), (5, 3885840), (6, 3238200), (7, 2775600), (8, 2428650), (9, 2158800), (10, 1942920), (12, 1619100), (14, 1387800), (15, 1295280), (16, 1214325), (18, 1079400), (20, 971460), (21, 925200), (24, 809550), (25, 777168), (27, 719600), (28, 693900), (30, 647640), (35, 555120), (36, 539700), (40, 485730), (42, 462600), (45, 431760), (48, 404775), (50, 388584), (54, 359800), (56, 346950), (60, 323820), (63, 308400), (70, 277560), (72, 269850), (75, 259056), (80, 242865), (84, 231300), (90, 215880), (100, 194292), (105, 185040), (108, 179900), (112, 173475), (120, 161910), (126, 154200), (135, 143920), (140, 138780), (144, 134925), (150, 129528), (168, 115650), (175, 111024), (180, 107940), (189, 102800), (200, 97146), (210, 92520), (216, 89950), (225, 86352), (240, 80955), (252, 77100), (257, 75600), (270, 71960), (280, 69390), (300, 64764), (315, 61680), (336, 57825), (350, 55512), (360, 53970), (378, 51400), (400, 48573), (420, 46260), (432, 44975), (450, 43176), (504, 38550), (514, 37800), (525, 37008), (540, 35980), (560, 34695), (600, 32382), (630, 30840), (675, 28784), (700, 27756), (720, 26985), (756, 25700), (771, 25200), (840, 23130), (900, 21588), (945, 20560), (1008, 19275), (1028, 18900), (1050, 18504), (1080, 17990), (1200, 16191), (1260, 15420), (1285, 15120), (1350, 14392), (1400, 13878), (1512, 12850), (1542, 12600), (1575, 12336), (1680, 11565), (1799, 10800), (1800, 10794), (1890, 10280), (2056, 9450), (2100, 9252), (2160, 8995), (2313, 8400), (2520, 7710), (2570, 7560), (2700, 7196), (2800, 6939), (3024, 6425), (3084, 6300), (3150, 6168), (3598, 5400), (3600, 5397), (3780, 5140), (3855, 5040), (4112, 4725), (4200, 4626)]