27121280

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1367}}^1$

素因数の和:1417

約数の個数: 64

約数和(自身を含む): 66977280

約数和(自身を除く): 39856000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1367, 1984, 2480, 2734, 3968, 4960, 5468, 6835, 9920, 10936, 13670, 19840, 21872, 27340, 42377, 43744, 54680, 84754, 87488, 109360, 169508, 174976, 211885, 218720, 339016, 423770, 437440, 678032, 847540, 874880, 1356064, 1695080, 2712128, 3390160, 5424256, 6780320, 13560640, 27121280]

約数ペア:

[(1, 27121280), (2, 13560640), (4, 6780320), (5, 5424256), (8, 3390160), (10, 2712128), (16, 1695080), (20, 1356064), (31, 874880), (32, 847540), (40, 678032), (62, 437440), (64, 423770), (80, 339016), (124, 218720), (128, 211885), (155, 174976), (160, 169508), (248, 109360), (310, 87488), (320, 84754), (496, 54680), (620, 43744), (640, 42377), (992, 27340), (1240, 21872), (1367, 19840), (1984, 13670), (2480, 10936), (2734, 9920), (3968, 6835), (4960, 5468)]