128435880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{28927}}^1$

素因数の和:28978

約数の個数: 64

約数和(自身を含む): 395735040

約数和(自身を除く): 267299160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 28927, 57854, 86781, 115708, 144635, 173562, 231416, 289270, 347124, 433905, 578540, 694248, 867810, 1070299, 1157080, 1735620, 2140598, 3210897, 3471240, 4281196, 5351495, 6421794, 8562392, 10702990, 12843588, 16054485, 21405980, 25687176, 32108970, 42811960, 64217940, 128435880]

約数ペア:

[(1, 128435880), (2, 64217940), (3, 42811960), (4, 32108970), (5, 25687176), (6, 21405980), (8, 16054485), (10, 12843588), (12, 10702990), (15, 8562392), (20, 6421794), (24, 5351495), (30, 4281196), (37, 3471240), (40, 3210897), (60, 2140598), (74, 1735620), (111, 1157080), (120, 1070299), (148, 867810), (185, 694248), (222, 578540), (296, 433905), (370, 347124), (444, 289270), (555, 231416), (740, 173562), (888, 144635), (1110, 115708), (1480, 86781), (2220, 57854), (4440, 28927)]