15820800

素因数分解:

$2^{11}\times 3^1\times 5^2\times {\mathrm{103}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 52809120

約数和(自身を除く): 36988320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 103, 120, 128, 150, 160, 192, 200, 206, 240, 256, 300, 309, 320, 384, 400, 412, 480, 512, 515, 600, 618, 640, 768, 800, 824, 960, 1024, 1030, 1200, 1236, 1280, 1536, 1545, 1600, 1648, 1920, 2048, 2060, 2400, 2472, 2560, 2575, 3072, 3090, 3200, 3296, 3840, 4120, 4800, 4944, 5120, 5150, 6144, 6180, 6400, 6592, 7680, 7725, 8240, 9600, 9888, 10240, 10300, 12360, 12800, 13184, 15360, 15450, 16480, 19200, 19776, 20600, 24720, 25600, 26368, 30720, 30900, 32960, 38400, 39552, 41200, 49440, 51200, 52736, 61800, 65920, 76800, 79104, 82400, 98880, 105472, 123600, 131840, 153600, 158208, 164800, 197760, 210944, 247200, 263680, 316416, 329600, 395520, 494400, 527360, 632832, 659200, 791040, 988800, 1054720, 1318400, 1582080, 1977600, 2636800, 3164160, 3955200, 5273600, 7910400, 15820800]

約数ペア:

[(1, 15820800), (2, 7910400), (3, 5273600), (4, 3955200), (5, 3164160), (6, 2636800), (8, 1977600), (10, 1582080), (12, 1318400), (15, 1054720), (16, 988800), (20, 791040), (24, 659200), (25, 632832), (30, 527360), (32, 494400), (40, 395520), (48, 329600), (50, 316416), (60, 263680), (64, 247200), (75, 210944), (80, 197760), (96, 164800), (100, 158208), (103, 153600), (120, 131840), (128, 123600), (150, 105472), (160, 98880), (192, 82400), (200, 79104), (206, 76800), (240, 65920), (256, 61800), (300, 52736), (309, 51200), (320, 49440), (384, 41200), (400, 39552), (412, 38400), (480, 32960), (512, 30900), (515, 30720), (600, 26368), (618, 25600), (640, 24720), (768, 20600), (800, 19776), (824, 19200), (960, 16480), (1024, 15450), (1030, 15360), (1200, 13184), (1236, 12800), (1280, 12360), (1536, 10300), (1545, 10240), (1600, 9888), (1648, 9600), (1920, 8240), (2048, 7725), (2060, 7680), (2400, 6592), (2472, 6400), (2560, 6180), (2575, 6144), (3072, 5150), (3090, 5120), (3200, 4944), (3296, 4800), (3840, 4120)]