66280340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1439}}^1$

素因数の和:1509

約数の個数: 72

約数和(自身を含む): 165473280

約数和(自身を除く): 99192940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 470, 490, 658, 940, 980, 1316, 1439, 1645, 2303, 2878, 3290, 4606, 5756, 6580, 7195, 9212, 10073, 11515, 14390, 20146, 23030, 28780, 40292, 46060, 50365, 67633, 70511, 100730, 135266, 141022, 201460, 270532, 282044, 338165, 352555, 473431, 676330, 705110, 946862, 1352660, 1410220, 1893724, 2367155, 3314017, 4734310, 6628034, 9468620, 13256068, 16570085, 33140170, 66280340]

約数ペア:

[(1, 66280340), (2, 33140170), (4, 16570085), (5, 13256068), (7, 9468620), (10, 6628034), (14, 4734310), (20, 3314017), (28, 2367155), (35, 1893724), (47, 1410220), (49, 1352660), (70, 946862), (94, 705110), (98, 676330), (140, 473431), (188, 352555), (196, 338165), (235, 282044), (245, 270532), (329, 201460), (470, 141022), (490, 135266), (658, 100730), (940, 70511), (980, 67633), (1316, 50365), (1439, 46060), (1645, 40292), (2303, 28780), (2878, 23030), (3290, 20146), (4606, 14390), (5756, 11515), (6580, 10073), (7195, 9212)]