28603960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:317

約数の個数: 128

約数和(自身を含む): 82736640

約数和(自身を除く): 54132680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 37, 40, 44, 55, 56, 70, 74, 77, 88, 110, 140, 148, 154, 185, 220, 251, 259, 280, 296, 308, 370, 385, 407, 440, 502, 518, 616, 740, 770, 814, 1004, 1036, 1255, 1295, 1480, 1540, 1628, 1757, 2008, 2035, 2072, 2510, 2590, 2761, 2849, 3080, 3256, 3514, 4070, 5020, 5180, 5522, 5698, 7028, 8140, 8785, 9287, 10040, 10360, 11044, 11396, 13805, 14056, 14245, 16280, 17570, 18574, 19327, 22088, 22792, 27610, 28490, 35140, 37148, 38654, 46435, 55220, 56980, 65009, 70280, 74296, 77308, 92870, 96635, 102157, 110440, 113960, 130018, 154616, 185740, 193270, 204314, 260036, 325045, 371480, 386540, 408628, 510785, 520072, 650090, 715099, 773080, 817256, 1021570, 1300180, 1430198, 2043140, 2600360, 2860396, 3575495, 4086280, 5720792, 7150990, 14301980, 28603960]

約数ペア:

[(1, 28603960), (2, 14301980), (4, 7150990), (5, 5720792), (7, 4086280), (8, 3575495), (10, 2860396), (11, 2600360), (14, 2043140), (20, 1430198), (22, 1300180), (28, 1021570), (35, 817256), (37, 773080), (40, 715099), (44, 650090), (55, 520072), (56, 510785), (70, 408628), (74, 386540), (77, 371480), (88, 325045), (110, 260036), (140, 204314), (148, 193270), (154, 185740), (185, 154616), (220, 130018), (251, 113960), (259, 110440), (280, 102157), (296, 96635), (308, 92870), (370, 77308), (385, 74296), (407, 70280), (440, 65009), (502, 56980), (518, 55220), (616, 46435), (740, 38654), (770, 37148), (814, 35140), (1004, 28490), (1036, 27610), (1255, 22792), (1295, 22088), (1480, 19327), (1540, 18574), (1628, 17570), (1757, 16280), (2008, 14245), (2035, 14056), (2072, 13805), (2510, 11396), (2590, 11044), (2761, 10360), (2849, 10040), (3080, 9287), (3256, 8785), (3514, 8140), (4070, 7028), (5020, 5698), (5180, 5522)]