161968240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{7817}}^1$

素因数の和:7874

約数の個数: 80

約数和(自身を含む): 442060992

約数和(自身を除く): 280092752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 1036, 1295, 1480, 2072, 2590, 2960, 4144, 5180, 7817, 10360, 15634, 20720, 31268, 39085, 54719, 62536, 78170, 109438, 125072, 156340, 218876, 273595, 289229, 312680, 437752, 547190, 578458, 625360, 875504, 1094380, 1156916, 1446145, 2024603, 2188760, 2313832, 2892290, 4049206, 4377520, 4627664, 5784580, 8098412, 10123015, 11569160, 16196824, 20246030, 23138320, 32393648, 40492060, 80984120, 161968240]

約数ペア:

[(1, 161968240), (2, 80984120), (4, 40492060), (5, 32393648), (7, 23138320), (8, 20246030), (10, 16196824), (14, 11569160), (16, 10123015), (20, 8098412), (28, 5784580), (35, 4627664), (37, 4377520), (40, 4049206), (56, 2892290), (70, 2313832), (74, 2188760), (80, 2024603), (112, 1446145), (140, 1156916), (148, 1094380), (185, 875504), (259, 625360), (280, 578458), (296, 547190), (370, 437752), (518, 312680), (560, 289229), (592, 273595), (740, 218876), (1036, 156340), (1295, 125072), (1480, 109438), (2072, 78170), (2590, 62536), (2960, 54719), (4144, 39085), (5180, 31268), (7817, 20720), (10360, 15634)]