128353455

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 250698240

約数和(自身を除く): 122344785

約数列:

[1, 3, 5, 9, 15, 19, 23, 45, 57, 61, 69, 95, 107, 115, 171, 183, 207, 285, 305, 321, 345, 437, 535, 549, 855, 915, 963, 1035, 1159, 1311, 1403, 1605, 2033, 2185, 2461, 2745, 3477, 3933, 4209, 4815, 5795, 6099, 6527, 6555, 7015, 7383, 10165, 10431, 12305, 12627, 17385, 18297, 19581, 19665, 21045, 22149, 26657, 30495, 32635, 36915, 46759, 52155, 58743, 63135, 79971, 91485, 97905, 110745, 124013, 133285, 140277, 150121, 233795, 239913, 293715, 372039, 399855, 420831, 450363, 620065, 701385, 750605, 1116117, 1199565, 1351089, 1860195, 2104155, 2251815, 2852299, 5580585, 6755445, 8556897, 14261495, 25670691, 42784485, 128353455]

約数ペア:

[(1, 128353455), (3, 42784485), (5, 25670691), (9, 14261495), (15, 8556897), (19, 6755445), (23, 5580585), (45, 2852299), (57, 2251815), (61, 2104155), (69, 1860195), (95, 1351089), (107, 1199565), (115, 1116117), (171, 750605), (183, 701385), (207, 620065), (285, 450363), (305, 420831), (321, 399855), (345, 372039), (437, 293715), (535, 239913), (549, 233795), (855, 150121), (915, 140277), (963, 133285), (1035, 124013), (1159, 110745), (1311, 97905), (1403, 91485), (1605, 79971), (2033, 63135), (2185, 58743), (2461, 52155), (2745, 46759), (3477, 36915), (3933, 32635), (4209, 30495), (4815, 26657), (5795, 22149), (6099, 21045), (6527, 19665), (6555, 19581), (7015, 18297), (7383, 17385), (10165, 12627), (10431, 12305)]