61768520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1777}}^1$

素因数の和:1878

約数の個数: 64

約数和(自身を含む): 153619200

約数和(自身を除く): 91850680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 158, 220, 316, 395, 440, 632, 790, 869, 1580, 1738, 1777, 3160, 3476, 3554, 4345, 6952, 7108, 8690, 8885, 14216, 17380, 17770, 19547, 34760, 35540, 39094, 71080, 78188, 97735, 140383, 156376, 195470, 280766, 390940, 561532, 701915, 781880, 1123064, 1403830, 1544213, 2807660, 3088426, 5615320, 6176852, 7721065, 12353704, 15442130, 30884260, 61768520]

約数ペア:

[(1, 61768520), (2, 30884260), (4, 15442130), (5, 12353704), (8, 7721065), (10, 6176852), (11, 5615320), (20, 3088426), (22, 2807660), (40, 1544213), (44, 1403830), (55, 1123064), (79, 781880), (88, 701915), (110, 561532), (158, 390940), (220, 280766), (316, 195470), (395, 156376), (440, 140383), (632, 97735), (790, 78188), (869, 71080), (1580, 39094), (1738, 35540), (1777, 34760), (3160, 19547), (3476, 17770), (3554, 17380), (4345, 14216), (6952, 8885), (7108, 8690)]