68616660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23339}}^1$

素因数の和:23365

約数の個数: 72

約数和(自身を含む): 223503840

約数和(自身を除く): 154887180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 23339, 46678, 70017, 93356, 116695, 140034, 163373, 233390, 280068, 326746, 350085, 466780, 490119, 653492, 700170, 816865, 980238, 1143611, 1400340, 1633730, 1960476, 2287222, 2450595, 3267460, 3430833, 4574444, 4901190, 5718055, 6861666, 9802380, 11436110, 13723332, 17154165, 22872220, 34308330, 68616660]

約数ペア:

[(1, 68616660), (2, 34308330), (3, 22872220), (4, 17154165), (5, 13723332), (6, 11436110), (7, 9802380), (10, 6861666), (12, 5718055), (14, 4901190), (15, 4574444), (20, 3430833), (21, 3267460), (28, 2450595), (30, 2287222), (35, 1960476), (42, 1633730), (49, 1400340), (60, 1143611), (70, 980238), (84, 816865), (98, 700170), (105, 653492), (140, 490119), (147, 466780), (196, 350085), (210, 326746), (245, 280068), (294, 233390), (420, 163373), (490, 140034), (588, 116695), (735, 93356), (980, 70017), (1470, 46678), (2940, 23339)]