156765440

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9421}}^1$

素因数の和:9455

約数の個数: 72

約数和(自身を含む): 404429928

約数和(自身を除く): 247664488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 9421, 16640, 18842, 37684, 47105, 75368, 94210, 122473, 150736, 188420, 244946, 301472, 376840, 489892, 602944, 612365, 753680, 979784, 1205888, 1224730, 1507360, 1959568, 2411776, 2449460, 3014720, 3919136, 4898920, 6029440, 7838272, 9797840, 12058880, 15676544, 19595680, 31353088, 39191360, 78382720, 156765440]

約数ペア:

[(1, 156765440), (2, 78382720), (4, 39191360), (5, 31353088), (8, 19595680), (10, 15676544), (13, 12058880), (16, 9797840), (20, 7838272), (26, 6029440), (32, 4898920), (40, 3919136), (52, 3014720), (64, 2449460), (65, 2411776), (80, 1959568), (104, 1507360), (128, 1224730), (130, 1205888), (160, 979784), (208, 753680), (256, 612365), (260, 602944), (320, 489892), (416, 376840), (520, 301472), (640, 244946), (832, 188420), (1040, 150736), (1280, 122473), (1664, 94210), (2080, 75368), (3328, 47105), (4160, 37684), (8320, 18842), (9421, 16640)]