82856720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^3\times {\mathrm{151}}^1$

素因数の和:221

約数の個数: 80

約数和(自身を含む): 204689280

約数和(自身を除く): 121832560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 151, 152, 190, 302, 304, 361, 380, 604, 722, 755, 760, 1208, 1444, 1510, 1520, 1805, 2416, 2869, 2888, 3020, 3610, 5738, 5776, 6040, 6859, 7220, 11476, 12080, 13718, 14345, 14440, 22952, 27436, 28690, 28880, 34295, 45904, 54511, 54872, 57380, 68590, 109022, 109744, 114760, 137180, 218044, 229520, 272555, 274360, 436088, 545110, 548720, 872176, 1035709, 1090220, 2071418, 2180440, 4142836, 4360880, 5178545, 8285672, 10357090, 16571344, 20714180, 41428360, 82856720]

約数ペア:

[(1, 82856720), (2, 41428360), (4, 20714180), (5, 16571344), (8, 10357090), (10, 8285672), (16, 5178545), (19, 4360880), (20, 4142836), (38, 2180440), (40, 2071418), (76, 1090220), (80, 1035709), (95, 872176), (151, 548720), (152, 545110), (190, 436088), (302, 274360), (304, 272555), (361, 229520), (380, 218044), (604, 137180), (722, 114760), (755, 109744), (760, 109022), (1208, 68590), (1444, 57380), (1510, 54872), (1520, 54511), (1805, 45904), (2416, 34295), (2869, 28880), (2888, 28690), (3020, 27436), (3610, 22952), (5738, 14440), (5776, 14345), (6040, 13718), (6859, 12080), (7220, 11476)]