641240784

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1973}}^1$

素因数の和:2085

約数の個数: 120

約数和(自身を含む): 1874249832

約数和(自身を除く): 1233009048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 61, 72, 74, 111, 122, 144, 148, 183, 222, 244, 296, 333, 366, 444, 488, 549, 592, 666, 732, 888, 976, 1098, 1332, 1464, 1776, 1973, 2196, 2257, 2664, 2928, 3946, 4392, 4514, 5328, 5919, 6771, 7892, 8784, 9028, 11838, 13542, 15784, 17757, 18056, 20313, 23676, 27084, 31568, 35514, 36112, 40626, 47352, 54168, 71028, 73001, 81252, 94704, 108336, 120353, 142056, 146002, 162504, 219003, 240706, 284112, 292004, 325008, 361059, 438006, 481412, 584008, 657009, 722118, 876012, 962824, 1083177, 1168016, 1314018, 1444236, 1752024, 1925648, 2166354, 2628036, 2888472, 3504048, 4332708, 4453061, 5256072, 5776944, 8665416, 8906122, 10512144, 13359183, 17330832, 17812244, 26718366, 35624488, 40077549, 53436732, 71248976, 80155098, 106873464, 160310196, 213746928, 320620392, 641240784]

約数ペア:

[(1, 641240784), (2, 320620392), (3, 213746928), (4, 160310196), (6, 106873464), (8, 80155098), (9, 71248976), (12, 53436732), (16, 40077549), (18, 35624488), (24, 26718366), (36, 17812244), (37, 17330832), (48, 13359183), (61, 10512144), (72, 8906122), (74, 8665416), (111, 5776944), (122, 5256072), (144, 4453061), (148, 4332708), (183, 3504048), (222, 2888472), (244, 2628036), (296, 2166354), (333, 1925648), (366, 1752024), (444, 1444236), (488, 1314018), (549, 1168016), (592, 1083177), (666, 962824), (732, 876012), (888, 722118), (976, 657009), (1098, 584008), (1332, 481412), (1464, 438006), (1776, 361059), (1973, 325008), (2196, 292004), (2257, 284112), (2664, 240706), (2928, 219003), (3946, 162504), (4392, 146002), (4514, 142056), (5328, 120353), (5919, 108336), (6771, 94704), (7892, 81252), (8784, 73001), (9028, 71028), (11838, 54168), (13542, 47352), (15784, 40626), (17757, 36112), (18056, 35514), (20313, 31568), (23676, 27084)]