168780800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:396

約数の個数: 132

約数和(自身を含む): 441660720

約数和(自身を除く): 272879920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 128, 152, 160, 190, 200, 256, 304, 320, 347, 380, 400, 475, 512, 608, 640, 694, 760, 800, 950, 1024, 1216, 1280, 1388, 1520, 1600, 1735, 1900, 2432, 2560, 2776, 3040, 3200, 3470, 3800, 4864, 5120, 5552, 6080, 6400, 6593, 6940, 7600, 8675, 9728, 11104, 12160, 12800, 13186, 13880, 15200, 17350, 19456, 22208, 24320, 25600, 26372, 27760, 30400, 32965, 34700, 44416, 48640, 52744, 55520, 60800, 65930, 69400, 88832, 97280, 105488, 111040, 121600, 131860, 138800, 164825, 177664, 210976, 222080, 243200, 263720, 277600, 329650, 355328, 421952, 444160, 486400, 527440, 555200, 659300, 843904, 888320, 1054880, 1110400, 1318600, 1687808, 1776640, 2109760, 2220800, 2637200, 3375616, 4219520, 4441600, 5274400, 6751232, 8439040, 8883200, 10548800, 16878080, 21097600, 33756160, 42195200, 84390400, 168780800]

約数ペア:

[(1, 168780800), (2, 84390400), (4, 42195200), (5, 33756160), (8, 21097600), (10, 16878080), (16, 10548800), (19, 8883200), (20, 8439040), (25, 6751232), (32, 5274400), (38, 4441600), (40, 4219520), (50, 3375616), (64, 2637200), (76, 2220800), (80, 2109760), (95, 1776640), (100, 1687808), (128, 1318600), (152, 1110400), (160, 1054880), (190, 888320), (200, 843904), (256, 659300), (304, 555200), (320, 527440), (347, 486400), (380, 444160), (400, 421952), (475, 355328), (512, 329650), (608, 277600), (640, 263720), (694, 243200), (760, 222080), (800, 210976), (950, 177664), (1024, 164825), (1216, 138800), (1280, 131860), (1388, 121600), (1520, 111040), (1600, 105488), (1735, 97280), (1900, 88832), (2432, 69400), (2560, 65930), (2776, 60800), (3040, 55520), (3200, 52744), (3470, 48640), (3800, 44416), (4864, 34700), (5120, 32965), (5552, 30400), (6080, 27760), (6400, 26372), (6593, 25600), (6940, 24320), (7600, 22208), (8675, 19456), (9728, 17350), (11104, 15200), (12160, 13880), (12800, 13186)]