71587880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:379

約数の個数: 128

約数和(自身を含む): 201761280

約数和(自身を除く): 130173400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 71, 91, 104, 130, 140, 142, 182, 260, 277, 280, 284, 355, 364, 455, 497, 520, 554, 568, 710, 728, 910, 923, 994, 1108, 1385, 1420, 1820, 1846, 1939, 1988, 2216, 2485, 2770, 2840, 3601, 3640, 3692, 3878, 3976, 4615, 4970, 5540, 6461, 7202, 7384, 7756, 9230, 9695, 9940, 11080, 12922, 14404, 15512, 18005, 18460, 19390, 19667, 19880, 25207, 25844, 28808, 32305, 36010, 36920, 38780, 39334, 50414, 51688, 64610, 72020, 77560, 78668, 98335, 100828, 126035, 129220, 137669, 144040, 157336, 196670, 201656, 252070, 255671, 258440, 275338, 393340, 504140, 511342, 550676, 688345, 786680, 1008280, 1022684, 1101352, 1278355, 1376690, 1789697, 2045368, 2556710, 2753380, 3579394, 5113420, 5506760, 7158788, 8948485, 10226840, 14317576, 17896970, 35793940, 71587880]

約数ペア:

[(1, 71587880), (2, 35793940), (4, 17896970), (5, 14317576), (7, 10226840), (8, 8948485), (10, 7158788), (13, 5506760), (14, 5113420), (20, 3579394), (26, 2753380), (28, 2556710), (35, 2045368), (40, 1789697), (52, 1376690), (56, 1278355), (65, 1101352), (70, 1022684), (71, 1008280), (91, 786680), (104, 688345), (130, 550676), (140, 511342), (142, 504140), (182, 393340), (260, 275338), (277, 258440), (280, 255671), (284, 252070), (355, 201656), (364, 196670), (455, 157336), (497, 144040), (520, 137669), (554, 129220), (568, 126035), (710, 100828), (728, 98335), (910, 78668), (923, 77560), (994, 72020), (1108, 64610), (1385, 51688), (1420, 50414), (1820, 39334), (1846, 38780), (1939, 36920), (1988, 36010), (2216, 32305), (2485, 28808), (2770, 25844), (2840, 25207), (3601, 19880), (3640, 19667), (3692, 19390), (3878, 18460), (3976, 18005), (4615, 15512), (4970, 14404), (5540, 12922), (6461, 11080), (7202, 9940), (7384, 9695), (7756, 9230)]