64281760

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23633}}^1$

素因数の和:23665

約数の個数: 48

約数和(自身を含む): 160805736

約数和(自身を除く): 96523976

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 23633, 47266, 94532, 118165, 189064, 236330, 378128, 401761, 472660, 756256, 803522, 945320, 1607044, 1890640, 2008805, 3214088, 3781280, 4017610, 6428176, 8035220, 12856352, 16070440, 32140880, 64281760]

約数ペア:

[(1, 64281760), (2, 32140880), (4, 16070440), (5, 12856352), (8, 8035220), (10, 6428176), (16, 4017610), (17, 3781280), (20, 3214088), (32, 2008805), (34, 1890640), (40, 1607044), (68, 945320), (80, 803522), (85, 756256), (136, 472660), (160, 401761), (170, 378128), (272, 236330), (340, 189064), (544, 118165), (680, 94532), (1360, 47266), (2720, 23633)]