140638245

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 253912320

約数和(自身を除く): 113274075

約数列:

[1, 3, 5, 11, 15, 33, 55, 61, 89, 157, 165, 183, 267, 305, 445, 471, 671, 785, 915, 979, 1335, 1727, 2013, 2355, 2937, 3355, 4895, 5181, 5429, 8635, 9577, 10065, 13973, 14685, 16287, 25905, 27145, 28731, 41919, 47885, 59719, 69865, 81435, 105347, 143655, 153703, 179157, 209595, 298595, 316041, 461109, 526735, 768515, 852353, 895785, 1580205, 2305545, 2557059, 4261765, 9375883, 12785295, 28127649, 46879415, 140638245]

約数ペア:

[(1, 140638245), (3, 46879415), (5, 28127649), (11, 12785295), (15, 9375883), (33, 4261765), (55, 2557059), (61, 2305545), (89, 1580205), (157, 895785), (165, 852353), (183, 768515), (267, 526735), (305, 461109), (445, 316041), (471, 298595), (671, 209595), (785, 179157), (915, 153703), (979, 143655), (1335, 105347), (1727, 81435), (2013, 69865), (2355, 59719), (2937, 47885), (3355, 41919), (4895, 28731), (5181, 27145), (5429, 25905), (8635, 16287), (9577, 14685), (10065, 13973)]