31017840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:559

約数の個数: 160

約数和(自身を含む): 113088000

約数和(自身を除く): 82070160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 37, 40, 42, 48, 56, 60, 70, 74, 80, 84, 105, 111, 112, 120, 140, 148, 168, 185, 210, 222, 240, 259, 280, 296, 336, 370, 420, 444, 499, 518, 555, 560, 592, 740, 777, 840, 888, 998, 1036, 1110, 1295, 1480, 1497, 1554, 1680, 1776, 1996, 2072, 2220, 2495, 2590, 2960, 2994, 3108, 3493, 3885, 3992, 4144, 4440, 4990, 5180, 5988, 6216, 6986, 7485, 7770, 7984, 8880, 9980, 10360, 10479, 11976, 12432, 13972, 14970, 15540, 17465, 18463, 19960, 20720, 20958, 23952, 27944, 29940, 31080, 34930, 36926, 39920, 41916, 52395, 55389, 55888, 59880, 62160, 69860, 73852, 83832, 92315, 104790, 110778, 119760, 129241, 139720, 147704, 167664, 184630, 209580, 221556, 258482, 276945, 279440, 295408, 369260, 387723, 419160, 443112, 516964, 553890, 646205, 738520, 775446, 838320, 886224, 1033928, 1107780, 1292410, 1477040, 1550892, 1938615, 2067856, 2215560, 2584820, 3101784, 3877230, 4431120, 5169640, 6203568, 7754460, 10339280, 15508920, 31017840]

約数ペア:

[(1, 31017840), (2, 15508920), (3, 10339280), (4, 7754460), (5, 6203568), (6, 5169640), (7, 4431120), (8, 3877230), (10, 3101784), (12, 2584820), (14, 2215560), (15, 2067856), (16, 1938615), (20, 1550892), (21, 1477040), (24, 1292410), (28, 1107780), (30, 1033928), (35, 886224), (37, 838320), (40, 775446), (42, 738520), (48, 646205), (56, 553890), (60, 516964), (70, 443112), (74, 419160), (80, 387723), (84, 369260), (105, 295408), (111, 279440), (112, 276945), (120, 258482), (140, 221556), (148, 209580), (168, 184630), (185, 167664), (210, 147704), (222, 139720), (240, 129241), (259, 119760), (280, 110778), (296, 104790), (336, 92315), (370, 83832), (420, 73852), (444, 69860), (499, 62160), (518, 59880), (555, 55888), (560, 55389), (592, 52395), (740, 41916), (777, 39920), (840, 36926), (888, 34930), (998, 31080), (1036, 29940), (1110, 27944), (1295, 23952), (1480, 20958), (1497, 20720), (1554, 19960), (1680, 18463), (1776, 17465), (1996, 15540), (2072, 14970), (2220, 13972), (2495, 12432), (2590, 11976), (2960, 10479), (2994, 10360), (3108, 9980), (3493, 8880), (3885, 7984), (3992, 7770), (4144, 7485), (4440, 6986), (4990, 6216), (5180, 5988)]