65347840

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2687}}^1$

素因数の和:2727

約数の個数: 72

約数和(自身を含む): 164828160

約数和(自身を除く): 99480320

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, 608, 640, 760, 1216, 1280, 1520, 2432, 2687, 3040, 4864, 5374, 6080, 10748, 12160, 13435, 21496, 24320, 26870, 42992, 51053, 53740, 85984, 102106, 107480, 171968, 204212, 214960, 255265, 343936, 408424, 429920, 510530, 687872, 816848, 859840, 1021060, 1633696, 1719680, 2042120, 3267392, 3439360, 4084240, 6534784, 8168480, 13069568, 16336960, 32673920, 65347840]

約数ペア:

[(1, 65347840), (2, 32673920), (4, 16336960), (5, 13069568), (8, 8168480), (10, 6534784), (16, 4084240), (19, 3439360), (20, 3267392), (32, 2042120), (38, 1719680), (40, 1633696), (64, 1021060), (76, 859840), (80, 816848), (95, 687872), (128, 510530), (152, 429920), (160, 408424), (190, 343936), (256, 255265), (304, 214960), (320, 204212), (380, 171968), (608, 107480), (640, 102106), (760, 85984), (1216, 53740), (1280, 51053), (1520, 42992), (2432, 26870), (2687, 24320), (3040, 21496), (4864, 13435), (5374, 12160), (6080, 10748)]