315900416

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1531}}^1$

素因数の和:1593

約数の個数: 80

約数和(自身を含む): 702121728

約数和(自身を除く): 386221312

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 512, 806, 832, 992, 1531, 1612, 1664, 1984, 3062, 3224, 3328, 3968, 6124, 6448, 6656, 7936, 12248, 12896, 15872, 19903, 24496, 25792, 39806, 47461, 48992, 51584, 79612, 94922, 97984, 103168, 159224, 189844, 195968, 206336, 318448, 379688, 391936, 616993, 636896, 759376, 783872, 1233986, 1273792, 1518752, 2467972, 2547584, 3037504, 4935944, 5095168, 6075008, 9871888, 10190336, 12150016, 19743776, 24300032, 39487552, 78975104, 157950208, 315900416]

約数ペア:

[(1, 315900416), (2, 157950208), (4, 78975104), (8, 39487552), (13, 24300032), (16, 19743776), (26, 12150016), (31, 10190336), (32, 9871888), (52, 6075008), (62, 5095168), (64, 4935944), (104, 3037504), (124, 2547584), (128, 2467972), (208, 1518752), (248, 1273792), (256, 1233986), (403, 783872), (416, 759376), (496, 636896), (512, 616993), (806, 391936), (832, 379688), (992, 318448), (1531, 206336), (1612, 195968), (1664, 189844), (1984, 159224), (3062, 103168), (3224, 97984), (3328, 94922), (3968, 79612), (6124, 51584), (6448, 48992), (6656, 47461), (7936, 39806), (12248, 25792), (12896, 24496), (15872, 19903)]