71365840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9803}}^1$

素因数の和:9836

約数の個数: 80

約数和(自身を含む): 204236928

約数和(自身を除く): 132871088

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 9803, 19606, 39212, 49015, 68621, 78424, 98030, 127439, 137242, 156848, 196060, 254878, 274484, 343105, 392120, 509756, 548968, 637195, 686210, 784240, 892073, 1019512, 1097936, 1274390, 1372420, 1784146, 2039024, 2548780, 2744840, 3568292, 4460365, 5097560, 5489680, 7136584, 8920730, 10195120, 14273168, 17841460, 35682920, 71365840]

約数ペア:

[(1, 71365840), (2, 35682920), (4, 17841460), (5, 14273168), (7, 10195120), (8, 8920730), (10, 7136584), (13, 5489680), (14, 5097560), (16, 4460365), (20, 3568292), (26, 2744840), (28, 2548780), (35, 2039024), (40, 1784146), (52, 1372420), (56, 1274390), (65, 1097936), (70, 1019512), (80, 892073), (91, 784240), (104, 686210), (112, 637195), (130, 548968), (140, 509756), (182, 392120), (208, 343105), (260, 274484), (280, 254878), (364, 196060), (455, 156848), (520, 137242), (560, 127439), (728, 98030), (910, 78424), (1040, 68621), (1456, 49015), (1820, 39212), (3640, 19606), (7280, 9803)]