78748160

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1619}}^1$

素因数の和:1661

約数の個数: 80

約数和(自身を含む): 198871200

約数和(自身を除く): 120123040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1216, 1280, 1520, 1619, 2432, 2560, 3040, 3238, 4864, 6080, 6476, 8095, 9728, 12160, 12952, 16190, 24320, 25904, 30761, 32380, 48640, 51808, 61522, 64760, 103616, 123044, 129520, 153805, 207232, 246088, 259040, 307610, 414464, 492176, 518080, 615220, 828928, 984352, 1036160, 1230440, 1968704, 2072320, 2460880, 3937408, 4144640, 4921760, 7874816, 9843520, 15749632, 19687040, 39374080, 78748160]

約数ペア:

[(1, 78748160), (2, 39374080), (4, 19687040), (5, 15749632), (8, 9843520), (10, 7874816), (16, 4921760), (19, 4144640), (20, 3937408), (32, 2460880), (38, 2072320), (40, 1968704), (64, 1230440), (76, 1036160), (80, 984352), (95, 828928), (128, 615220), (152, 518080), (160, 492176), (190, 414464), (256, 307610), (304, 259040), (320, 246088), (380, 207232), (512, 153805), (608, 129520), (640, 123044), (760, 103616), (1216, 64760), (1280, 61522), (1520, 51808), (1619, 48640), (2432, 32380), (2560, 30761), (3040, 25904), (3238, 24320), (4864, 16190), (6080, 12952), (6476, 12160), (8095, 9728)]