128643876

素因数分解:

$2^2\times 3^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:383

約数の個数: 120

約数和(自身を含む): 357935424

約数和(自身を除く): 229291548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 61, 69, 81, 92, 108, 122, 138, 162, 183, 207, 244, 276, 283, 324, 366, 414, 549, 566, 621, 732, 828, 849, 1098, 1132, 1242, 1403, 1647, 1698, 1863, 2196, 2484, 2547, 2806, 3294, 3396, 3726, 4209, 4941, 5094, 5612, 6509, 6588, 7452, 7641, 8418, 9882, 10188, 12627, 13018, 15282, 16836, 17263, 19527, 19764, 22923, 25254, 26036, 30564, 34526, 37881, 39054, 45846, 50508, 51789, 58581, 69052, 75762, 78108, 91692, 103578, 113643, 117162, 151524, 155367, 175743, 207156, 227286, 234324, 310734, 351486, 397049, 454572, 466101, 527229, 621468, 702972, 794098, 932202, 1054458, 1191147, 1398303, 1588196, 1864404, 2108916, 2382294, 2796606, 3573441, 4764588, 5593212, 7146882, 10720323, 14293764, 21440646, 32160969, 42881292, 64321938, 128643876]

約数ペア:

[(1, 128643876), (2, 64321938), (3, 42881292), (4, 32160969), (6, 21440646), (9, 14293764), (12, 10720323), (18, 7146882), (23, 5593212), (27, 4764588), (36, 3573441), (46, 2796606), (54, 2382294), (61, 2108916), (69, 1864404), (81, 1588196), (92, 1398303), (108, 1191147), (122, 1054458), (138, 932202), (162, 794098), (183, 702972), (207, 621468), (244, 527229), (276, 466101), (283, 454572), (324, 397049), (366, 351486), (414, 310734), (549, 234324), (566, 227286), (621, 207156), (732, 175743), (828, 155367), (849, 151524), (1098, 117162), (1132, 113643), (1242, 103578), (1403, 91692), (1647, 78108), (1698, 75762), (1863, 69052), (2196, 58581), (2484, 51789), (2547, 50508), (2806, 45846), (3294, 39054), (3396, 37881), (3726, 34526), (4209, 30564), (4941, 26036), (5094, 25254), (5612, 22923), (6509, 19764), (6588, 19527), (7452, 17263), (7641, 16836), (8418, 15282), (9882, 13018), (10188, 12627)]