328779780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{21157}}^1$

素因数の和:21213

約数の個数: 96

約数和(自身を含む): 1080581376

約数和(自身を除く): 751801596

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 60, 70, 74, 84, 105, 111, 140, 148, 185, 210, 222, 259, 370, 420, 444, 518, 555, 740, 777, 1036, 1110, 1295, 1554, 2220, 2590, 3108, 3885, 5180, 7770, 15540, 21157, 42314, 63471, 84628, 105785, 126942, 148099, 211570, 253884, 296198, 317355, 423140, 444297, 592396, 634710, 740495, 782809, 888594, 1269420, 1480990, 1565618, 1777188, 2221485, 2348427, 2961980, 3131236, 3914045, 4442970, 4696854, 5479663, 7828090, 8885940, 9393708, 10959326, 11742135, 15656180, 16438989, 21918652, 23484270, 27398315, 32877978, 46968540, 54796630, 65755956, 82194945, 109593260, 164389890, 328779780]

約数ペア:

[(1, 328779780), (2, 164389890), (3, 109593260), (4, 82194945), (5, 65755956), (6, 54796630), (7, 46968540), (10, 32877978), (12, 27398315), (14, 23484270), (15, 21918652), (20, 16438989), (21, 15656180), (28, 11742135), (30, 10959326), (35, 9393708), (37, 8885940), (42, 7828090), (60, 5479663), (70, 4696854), (74, 4442970), (84, 3914045), (105, 3131236), (111, 2961980), (140, 2348427), (148, 2221485), (185, 1777188), (210, 1565618), (222, 1480990), (259, 1269420), (370, 888594), (420, 782809), (444, 740495), (518, 634710), (555, 592396), (740, 444297), (777, 423140), (1036, 317355), (1110, 296198), (1295, 253884), (1554, 211570), (2220, 148099), (2590, 126942), (3108, 105785), (3885, 84628), (5180, 63471), (7770, 42314), (15540, 21157)]