61638540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1069}}^1$

素因数の和:1143

約数の個数: 72

約数和(自身を含む): 178501680

約数和(自身を除く): 116863140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 961, 1069, 1860, 1922, 2138, 2883, 3207, 3844, 4276, 4805, 5345, 5766, 6414, 9610, 10690, 11532, 12828, 14415, 16035, 19220, 21380, 28830, 32070, 33139, 57660, 64140, 66278, 99417, 132556, 165695, 198834, 331390, 397668, 497085, 662780, 994170, 1027309, 1988340, 2054618, 3081927, 4109236, 5136545, 6163854, 10273090, 12327708, 15409635, 20546180, 30819270, 61638540]

約数ペア:

[(1, 61638540), (2, 30819270), (3, 20546180), (4, 15409635), (5, 12327708), (6, 10273090), (10, 6163854), (12, 5136545), (15, 4109236), (20, 3081927), (30, 2054618), (31, 1988340), (60, 1027309), (62, 994170), (93, 662780), (124, 497085), (155, 397668), (186, 331390), (310, 198834), (372, 165695), (465, 132556), (620, 99417), (930, 66278), (961, 64140), (1069, 57660), (1860, 33139), (1922, 32070), (2138, 28830), (2883, 21380), (3207, 19220), (3844, 16035), (4276, 14415), (4805, 12828), (5345, 11532), (5766, 10690), (6414, 9610)]