1681519360

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1367}}^1$

素因数の和:1450

約数の個数: 108

約数和(自身を含む): 4164927984

約数和(自身を除く): 2483408624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 961, 992, 1240, 1280, 1367, 1922, 1984, 2480, 2734, 3844, 3968, 4805, 4960, 5468, 6835, 7688, 7936, 9610, 9920, 10936, 13670, 15376, 19220, 19840, 21872, 27340, 30752, 38440, 39680, 42377, 43744, 54680, 61504, 76880, 84754, 87488, 109360, 123008, 153760, 169508, 174976, 211885, 218720, 246016, 307520, 339016, 349952, 423770, 437440, 615040, 678032, 847540, 874880, 1230080, 1313687, 1356064, 1695080, 1749760, 2627374, 2712128, 3390160, 5254748, 5424256, 6568435, 6780320, 10509496, 10848512, 13136870, 13560640, 21018992, 26273740, 27121280, 42037984, 52547480, 54242560, 84075968, 105094960, 168151936, 210189920, 336303872, 420379840, 840759680, 1681519360]

約数ペア:

[(1, 1681519360), (2, 840759680), (4, 420379840), (5, 336303872), (8, 210189920), (10, 168151936), (16, 105094960), (20, 84075968), (31, 54242560), (32, 52547480), (40, 42037984), (62, 27121280), (64, 26273740), (80, 21018992), (124, 13560640), (128, 13136870), (155, 10848512), (160, 10509496), (248, 6780320), (256, 6568435), (310, 5424256), (320, 5254748), (496, 3390160), (620, 2712128), (640, 2627374), (961, 1749760), (992, 1695080), (1240, 1356064), (1280, 1313687), (1367, 1230080), (1922, 874880), (1984, 847540), (2480, 678032), (2734, 615040), (3844, 437440), (3968, 423770), (4805, 349952), (4960, 339016), (5468, 307520), (6835, 246016), (7688, 218720), (7936, 211885), (9610, 174976), (9920, 169508), (10936, 153760), (13670, 123008), (15376, 109360), (19220, 87488), (19840, 84754), (21872, 76880), (27340, 61504), (30752, 54680), (38440, 43744), (39680, 42377)]