261706470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{1723}}^1$

素因数の和:1877

約数の個数: 64

約数和(自身を含む): 646458624

約数和(自身を除く): 384752154

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 83, 122, 166, 183, 249, 305, 366, 415, 498, 610, 830, 915, 1245, 1723, 1830, 2490, 3446, 5063, 5169, 8615, 10126, 10338, 15189, 17230, 25315, 25845, 30378, 50630, 51690, 75945, 105103, 143009, 151890, 210206, 286018, 315309, 429027, 525515, 630618, 715045, 858054, 1051030, 1430090, 1576545, 2145135, 3153090, 4290270, 8723549, 17447098, 26170647, 43617745, 52341294, 87235490, 130853235, 261706470]

約数ペア:

[(1, 261706470), (2, 130853235), (3, 87235490), (5, 52341294), (6, 43617745), (10, 26170647), (15, 17447098), (30, 8723549), (61, 4290270), (83, 3153090), (122, 2145135), (166, 1576545), (183, 1430090), (249, 1051030), (305, 858054), (366, 715045), (415, 630618), (498, 525515), (610, 429027), (830, 315309), (915, 286018), (1245, 210206), (1723, 151890), (1830, 143009), (2490, 105103), (3446, 75945), (5063, 51690), (5169, 50630), (8615, 30378), (10126, 25845), (10338, 25315), (15189, 17230)]