82406240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:509

約数の個数: 144

約数和(自身を含む): 236833632

約数和(自身を除く): 154427392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 160, 161, 184, 196, 224, 230, 245, 280, 322, 368, 392, 457, 460, 490, 560, 644, 736, 784, 805, 914, 920, 980, 1120, 1127, 1288, 1568, 1610, 1828, 1840, 1960, 2254, 2285, 2576, 3199, 3220, 3656, 3680, 3920, 4508, 4570, 5152, 5635, 6398, 6440, 7312, 7840, 9016, 9140, 10511, 11270, 12796, 12880, 14624, 15995, 18032, 18280, 21022, 22393, 22540, 25592, 25760, 31990, 36064, 36560, 42044, 44786, 45080, 51184, 52555, 63980, 73120, 73577, 84088, 89572, 90160, 102368, 105110, 111965, 127960, 147154, 168176, 179144, 180320, 210220, 223930, 255920, 294308, 336352, 358288, 367885, 420440, 447860, 511840, 515039, 588616, 716576, 735770, 840880, 895720, 1030078, 1177232, 1471540, 1681760, 1791440, 2060156, 2354464, 2575195, 2943080, 3582880, 4120312, 5150390, 5886160, 8240624, 10300780, 11772320, 16481248, 20601560, 41203120, 82406240]

約数ペア:

[(1, 82406240), (2, 41203120), (4, 20601560), (5, 16481248), (7, 11772320), (8, 10300780), (10, 8240624), (14, 5886160), (16, 5150390), (20, 4120312), (23, 3582880), (28, 2943080), (32, 2575195), (35, 2354464), (40, 2060156), (46, 1791440), (49, 1681760), (56, 1471540), (70, 1177232), (80, 1030078), (92, 895720), (98, 840880), (112, 735770), (115, 716576), (140, 588616), (160, 515039), (161, 511840), (184, 447860), (196, 420440), (224, 367885), (230, 358288), (245, 336352), (280, 294308), (322, 255920), (368, 223930), (392, 210220), (457, 180320), (460, 179144), (490, 168176), (560, 147154), (644, 127960), (736, 111965), (784, 105110), (805, 102368), (914, 90160), (920, 89572), (980, 84088), (1120, 73577), (1127, 73120), (1288, 63980), (1568, 52555), (1610, 51184), (1828, 45080), (1840, 44786), (1960, 42044), (2254, 36560), (2285, 36064), (2576, 31990), (3199, 25760), (3220, 25592), (3656, 22540), (3680, 22393), (3920, 21022), (4508, 18280), (4570, 18032), (5152, 15995), (5635, 14624), (6398, 12880), (6440, 12796), (7312, 11270), (7840, 10511), (9016, 9140)]