168123136

素因数分解:

$2^8\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 348788160

約数和(自身を除く): 180665024

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 89, 94, 128, 157, 178, 188, 256, 314, 356, 376, 628, 712, 752, 1256, 1424, 1504, 2512, 2848, 3008, 4183, 5024, 5696, 6016, 7379, 8366, 10048, 11392, 12032, 13973, 14758, 16732, 20096, 22784, 27946, 29516, 33464, 40192, 55892, 59032, 66928, 111784, 118064, 133856, 223568, 236128, 267712, 447136, 472256, 535424, 656731, 894272, 944512, 1070848, 1313462, 1788544, 1889024, 2626924, 3577088, 5253848, 10507696, 21015392, 42030784, 84061568, 168123136]

約数ペア:

[(1, 168123136), (2, 84061568), (4, 42030784), (8, 21015392), (16, 10507696), (32, 5253848), (47, 3577088), (64, 2626924), (89, 1889024), (94, 1788544), (128, 1313462), (157, 1070848), (178, 944512), (188, 894272), (256, 656731), (314, 535424), (356, 472256), (376, 447136), (628, 267712), (712, 236128), (752, 223568), (1256, 133856), (1424, 118064), (1504, 111784), (2512, 66928), (2848, 59032), (3008, 55892), (4183, 40192), (5024, 33464), (5696, 29516), (6016, 27946), (7379, 22784), (8366, 20096), (10048, 16732), (11392, 14758), (12032, 13973)]