30800280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{991}}^1$

素因数の和:1049

約数の個数: 128

約数和(自身を含む): 108564480

約数和(自身を除く): 77764200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 420, 444, 518, 555, 740, 777, 840, 888, 991, 1036, 1110, 1295, 1480, 1554, 1982, 2072, 2220, 2590, 2973, 3108, 3885, 3964, 4440, 4955, 5180, 5946, 6216, 6937, 7770, 7928, 9910, 10360, 11892, 13874, 14865, 15540, 19820, 20811, 23784, 27748, 29730, 31080, 34685, 36667, 39640, 41622, 55496, 59460, 69370, 73334, 83244, 104055, 110001, 118920, 138740, 146668, 166488, 183335, 208110, 220002, 256669, 277480, 293336, 366670, 416220, 440004, 513338, 550005, 733340, 770007, 832440, 880008, 1026676, 1100010, 1283345, 1466680, 1540014, 2053352, 2200020, 2566690, 3080028, 3850035, 4400040, 5133380, 6160056, 7700070, 10266760, 15400140, 30800280]

約数ペア:

[(1, 30800280), (2, 15400140), (3, 10266760), (4, 7700070), (5, 6160056), (6, 5133380), (7, 4400040), (8, 3850035), (10, 3080028), (12, 2566690), (14, 2200020), (15, 2053352), (20, 1540014), (21, 1466680), (24, 1283345), (28, 1100010), (30, 1026676), (35, 880008), (37, 832440), (40, 770007), (42, 733340), (56, 550005), (60, 513338), (70, 440004), (74, 416220), (84, 366670), (105, 293336), (111, 277480), (120, 256669), (140, 220002), (148, 208110), (168, 183335), (185, 166488), (210, 146668), (222, 138740), (259, 118920), (280, 110001), (296, 104055), (370, 83244), (420, 73334), (444, 69370), (518, 59460), (555, 55496), (740, 41622), (777, 39640), (840, 36667), (888, 34685), (991, 31080), (1036, 29730), (1110, 27748), (1295, 23784), (1480, 20811), (1554, 19820), (1982, 15540), (2072, 14865), (2220, 13874), (2590, 11892), (2973, 10360), (3108, 9910), (3885, 7928), (3964, 7770), (4440, 6937), (4955, 6216), (5180, 5946)]