156586240

素因数分解:

$2^8\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1723}}^1$

素因数の和:1815

約数の個数: 72

約数和(自身を含む): 380576448

約数和(自身を除く): 223990208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 568, 640, 710, 1136, 1280, 1420, 1723, 2272, 2840, 3446, 4544, 5680, 6892, 8615, 9088, 11360, 13784, 17230, 18176, 22720, 27568, 34460, 45440, 55136, 68920, 90880, 110272, 122333, 137840, 220544, 244666, 275680, 441088, 489332, 551360, 611665, 978664, 1102720, 1223330, 1957328, 2205440, 2446660, 3914656, 4893320, 7829312, 9786640, 15658624, 19573280, 31317248, 39146560, 78293120, 156586240]

約数ペア:

[(1, 156586240), (2, 78293120), (4, 39146560), (5, 31317248), (8, 19573280), (10, 15658624), (16, 9786640), (20, 7829312), (32, 4893320), (40, 3914656), (64, 2446660), (71, 2205440), (80, 1957328), (128, 1223330), (142, 1102720), (160, 978664), (256, 611665), (284, 551360), (320, 489332), (355, 441088), (568, 275680), (640, 244666), (710, 220544), (1136, 137840), (1280, 122333), (1420, 110272), (1723, 90880), (2272, 68920), (2840, 55136), (3446, 45440), (4544, 34460), (5680, 27568), (6892, 22720), (8615, 18176), (9088, 17230), (11360, 13784)]