257324610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{1597}}^1$

素因数の和:1779

約数の個数: 64

約数和(自身を含む): 637870464

約数和(自身を除く): 380545854

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 131, 205, 246, 262, 393, 410, 615, 655, 786, 1230, 1310, 1597, 1965, 3194, 3930, 4791, 5371, 7985, 9582, 10742, 15970, 16113, 23955, 26855, 32226, 47910, 53710, 65477, 80565, 130954, 161130, 196431, 209207, 327385, 392862, 418414, 627621, 654770, 982155, 1046035, 1255242, 1964310, 2092070, 3138105, 6276210, 8577487, 17154974, 25732461, 42887435, 51464922, 85774870, 128662305, 257324610]

約数ペア:

[(1, 257324610), (2, 128662305), (3, 85774870), (5, 51464922), (6, 42887435), (10, 25732461), (15, 17154974), (30, 8577487), (41, 6276210), (82, 3138105), (123, 2092070), (131, 1964310), (205, 1255242), (246, 1046035), (262, 982155), (393, 654770), (410, 627621), (615, 418414), (655, 392862), (786, 327385), (1230, 209207), (1310, 196431), (1597, 161130), (1965, 130954), (3194, 80565), (3930, 65477), (4791, 53710), (5371, 47910), (7985, 32226), (9582, 26855), (10742, 23955), (15970, 16113)]