81363840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1367}}^1$

素因数の和:1420

約数の個数: 128

約数和(自身を含む): 267909120

約数和(自身を除く): 186545280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 930, 960, 992, 1240, 1367, 1488, 1860, 1920, 1984, 2480, 2734, 2976, 3720, 3968, 4101, 4960, 5468, 5952, 6835, 7440, 8202, 9920, 10936, 11904, 13670, 14880, 16404, 19840, 20505, 21872, 27340, 29760, 32808, 41010, 42377, 43744, 54680, 59520, 65616, 82020, 84754, 87488, 109360, 127131, 131232, 164040, 169508, 174976, 211885, 218720, 254262, 262464, 328080, 339016, 423770, 437440, 508524, 524928, 635655, 656160, 678032, 847540, 874880, 1017048, 1271310, 1312320, 1356064, 1695080, 2034096, 2542620, 2624640, 2712128, 3390160, 4068192, 5085240, 5424256, 6780320, 8136384, 10170480, 13560640, 16272768, 20340960, 27121280, 40681920, 81363840]

約数ペア:

[(1, 81363840), (2, 40681920), (3, 27121280), (4, 20340960), (5, 16272768), (6, 13560640), (8, 10170480), (10, 8136384), (12, 6780320), (15, 5424256), (16, 5085240), (20, 4068192), (24, 3390160), (30, 2712128), (31, 2624640), (32, 2542620), (40, 2034096), (48, 1695080), (60, 1356064), (62, 1312320), (64, 1271310), (80, 1017048), (93, 874880), (96, 847540), (120, 678032), (124, 656160), (128, 635655), (155, 524928), (160, 508524), (186, 437440), (192, 423770), (240, 339016), (248, 328080), (310, 262464), (320, 254262), (372, 218720), (384, 211885), (465, 174976), (480, 169508), (496, 164040), (620, 131232), (640, 127131), (744, 109360), (930, 87488), (960, 84754), (992, 82020), (1240, 65616), (1367, 59520), (1488, 54680), (1860, 43744), (1920, 42377), (1984, 41010), (2480, 32808), (2734, 29760), (2976, 27340), (3720, 21872), (3968, 20505), (4101, 19840), (4960, 16404), (5468, 14880), (5952, 13670), (6835, 11904), (7440, 10936), (8202, 9920)]