79317280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:247

約数の個数: 144

約数和(自身を含む): 222699456

約数和(自身を除く): 143382176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 67, 70, 80, 98, 112, 134, 140, 151, 160, 196, 224, 245, 268, 280, 302, 335, 392, 469, 490, 536, 560, 604, 670, 755, 784, 938, 980, 1057, 1072, 1120, 1208, 1340, 1510, 1568, 1876, 1960, 2114, 2144, 2345, 2416, 2680, 3020, 3283, 3752, 3920, 4228, 4690, 4832, 5285, 5360, 6040, 6566, 7399, 7504, 7840, 8456, 9380, 10117, 10570, 10720, 12080, 13132, 14798, 15008, 16415, 16912, 18760, 20234, 21140, 24160, 26264, 29596, 32830, 33824, 36995, 37520, 40468, 42280, 50585, 52528, 59192, 65660, 70819, 73990, 75040, 80936, 84560, 101170, 105056, 118384, 131320, 141638, 147980, 161872, 169120, 202340, 236768, 262640, 283276, 295960, 323744, 354095, 404680, 495733, 525280, 566552, 591920, 708190, 809360, 991466, 1133104, 1183840, 1416380, 1618720, 1982932, 2266208, 2478665, 2832760, 3965864, 4957330, 5665520, 7931728, 9914660, 11331040, 15863456, 19829320, 39658640, 79317280]

約数ペア:

[(1, 79317280), (2, 39658640), (4, 19829320), (5, 15863456), (7, 11331040), (8, 9914660), (10, 7931728), (14, 5665520), (16, 4957330), (20, 3965864), (28, 2832760), (32, 2478665), (35, 2266208), (40, 1982932), (49, 1618720), (56, 1416380), (67, 1183840), (70, 1133104), (80, 991466), (98, 809360), (112, 708190), (134, 591920), (140, 566552), (151, 525280), (160, 495733), (196, 404680), (224, 354095), (245, 323744), (268, 295960), (280, 283276), (302, 262640), (335, 236768), (392, 202340), (469, 169120), (490, 161872), (536, 147980), (560, 141638), (604, 131320), (670, 118384), (755, 105056), (784, 101170), (938, 84560), (980, 80936), (1057, 75040), (1072, 73990), (1120, 70819), (1208, 65660), (1340, 59192), (1510, 52528), (1568, 50585), (1876, 42280), (1960, 40468), (2114, 37520), (2144, 36995), (2345, 33824), (2416, 32830), (2680, 29596), (3020, 26264), (3283, 24160), (3752, 21140), (3920, 20234), (4228, 18760), (4690, 16912), (4832, 16415), (5285, 15008), (5360, 14798), (6040, 13132), (6566, 12080), (7399, 10720), (7504, 10570), (7840, 10117), (8456, 9380)]