256876800

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{787}}^1$

素因数の和:833

約数の個数: 216

約数和(自身を含む): 898754976

約数和(自身を除く): 641878176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 32, 34, 40, 48, 50, 51, 60, 64, 68, 75, 80, 85, 96, 100, 102, 120, 128, 136, 150, 160, 170, 192, 200, 204, 240, 255, 256, 272, 300, 320, 340, 384, 400, 408, 425, 480, 510, 544, 600, 640, 680, 768, 787, 800, 816, 850, 960, 1020, 1088, 1200, 1275, 1280, 1360, 1574, 1600, 1632, 1700, 1920, 2040, 2176, 2361, 2400, 2550, 2720, 3148, 3200, 3264, 3400, 3840, 3935, 4080, 4352, 4722, 4800, 5100, 5440, 6296, 6400, 6528, 6800, 7870, 8160, 9444, 9600, 10200, 10880, 11805, 12592, 13056, 13379, 13600, 15740, 16320, 18888, 19200, 19675, 20400, 21760, 23610, 25184, 26758, 27200, 31480, 32640, 37776, 39350, 40137, 40800, 47220, 50368, 53516, 54400, 59025, 62960, 65280, 66895, 75552, 78700, 80274, 81600, 94440, 100736, 107032, 108800, 118050, 125920, 133790, 151104, 157400, 160548, 163200, 188880, 200685, 201472, 214064, 236100, 251840, 267580, 302208, 314800, 321096, 326400, 334475, 377760, 401370, 428128, 472200, 503680, 535160, 604416, 629600, 642192, 668950, 755520, 802740, 856256, 944400, 1003425, 1007360, 1070320, 1259200, 1284384, 1337900, 1511040, 1605480, 1712512, 1888800, 2006850, 2140640, 2518400, 2568768, 2675800, 3022080, 3210960, 3425024, 3777600, 4013700, 4281280, 5036800, 5137536, 5351600, 6421920, 7555200, 8027400, 8562560, 10275072, 10703200, 12843840, 15110400, 16054800, 17125120, 21406400, 25687680, 32109600, 42812800, 51375360, 64219200, 85625600, 128438400, 256876800]

約数ペア:

[(1, 256876800), (2, 128438400), (3, 85625600), (4, 64219200), (5, 51375360), (6, 42812800), (8, 32109600), (10, 25687680), (12, 21406400), (15, 17125120), (16, 16054800), (17, 15110400), (20, 12843840), (24, 10703200), (25, 10275072), (30, 8562560), (32, 8027400), (34, 7555200), (40, 6421920), (48, 5351600), (50, 5137536), (51, 5036800), (60, 4281280), (64, 4013700), (68, 3777600), (75, 3425024), (80, 3210960), (85, 3022080), (96, 2675800), (100, 2568768), (102, 2518400), (120, 2140640), (128, 2006850), (136, 1888800), (150, 1712512), (160, 1605480), (170, 1511040), (192, 1337900), (200, 1284384), (204, 1259200), (240, 1070320), (255, 1007360), (256, 1003425), (272, 944400), (300, 856256), (320, 802740), (340, 755520), (384, 668950), (400, 642192), (408, 629600), (425, 604416), (480, 535160), (510, 503680), (544, 472200), (600, 428128), (640, 401370), (680, 377760), (768, 334475), (787, 326400), (800, 321096), (816, 314800), (850, 302208), (960, 267580), (1020, 251840), (1088, 236100), (1200, 214064), (1275, 201472), (1280, 200685), (1360, 188880), (1574, 163200), (1600, 160548), (1632, 157400), (1700, 151104), (1920, 133790), (2040, 125920), (2176, 118050), (2361, 108800), (2400, 107032), (2550, 100736), (2720, 94440), (3148, 81600), (3200, 80274), (3264, 78700), (3400, 75552), (3840, 66895), (3935, 65280), (4080, 62960), (4352, 59025), (4722, 54400), (4800, 53516), (5100, 50368), (5440, 47220), (6296, 40800), (6400, 40137), (6528, 39350), (6800, 37776), (7870, 32640), (8160, 31480), (9444, 27200), (9600, 26758), (10200, 25184), (10880, 23610), (11805, 21760), (12592, 20400), (13056, 19675), (13379, 19200), (13600, 18888), (15740, 16320)]