15399680

素因数分解:

$2^8\times 5^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 37748592

約数和(自身を除く): 22348912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 227, 256, 265, 320, 424, 454, 530, 640, 848, 908, 1060, 1135, 1280, 1696, 1816, 2120, 2270, 3392, 3632, 4240, 4540, 6784, 7264, 8480, 9080, 12031, 13568, 14528, 16960, 18160, 24062, 29056, 33920, 36320, 48124, 58112, 60155, 67840, 72640, 96248, 120310, 145280, 192496, 240620, 290560, 384992, 481240, 769984, 962480, 1539968, 1924960, 3079936, 3849920, 7699840, 15399680]

約数ペア:

[(1, 15399680), (2, 7699840), (4, 3849920), (5, 3079936), (8, 1924960), (10, 1539968), (16, 962480), (20, 769984), (32, 481240), (40, 384992), (53, 290560), (64, 240620), (80, 192496), (106, 145280), (128, 120310), (160, 96248), (212, 72640), (227, 67840), (256, 60155), (265, 58112), (320, 48124), (424, 36320), (454, 33920), (530, 29056), (640, 24062), (848, 18160), (908, 16960), (1060, 14528), (1135, 13568), (1280, 12031), (1696, 9080), (1816, 8480), (2120, 7264), (2270, 6784), (3392, 4540), (3632, 4240)]