6467840

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 16090368

約数和(自身を除く): 9622528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 163, 248, 256, 310, 320, 326, 496, 620, 640, 652, 815, 992, 1240, 1280, 1304, 1630, 1984, 2480, 2608, 3260, 3968, 4960, 5053, 5216, 6520, 7936, 9920, 10106, 10432, 13040, 19840, 20212, 20864, 25265, 26080, 39680, 40424, 41728, 50530, 52160, 80848, 101060, 104320, 161696, 202120, 208640, 323392, 404240, 646784, 808480, 1293568, 1616960, 3233920, 6467840]

約数ペア:

[(1, 6467840), (2, 3233920), (4, 1616960), (5, 1293568), (8, 808480), (10, 646784), (16, 404240), (20, 323392), (31, 208640), (32, 202120), (40, 161696), (62, 104320), (64, 101060), (80, 80848), (124, 52160), (128, 50530), (155, 41728), (160, 40424), (163, 39680), (248, 26080), (256, 25265), (310, 20864), (320, 20212), (326, 19840), (496, 13040), (620, 10432), (640, 10106), (652, 9920), (815, 7936), (992, 6520), (1240, 5216), (1280, 5053), (1304, 4960), (1630, 3968), (1984, 3260), (2480, 2608)]