77811760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3253}}^1$

素因数の和:3302

約数の個数: 80

約数和(自身を含む): 203361984

約数和(自身を除く): 125550224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1840, 2392, 2990, 3253, 4784, 5980, 6506, 11960, 13012, 16265, 23920, 26024, 32530, 42289, 52048, 65060, 74819, 84578, 130120, 149638, 169156, 211445, 260240, 299276, 338312, 374095, 422890, 598552, 676624, 748190, 845780, 972647, 1197104, 1496380, 1691560, 1945294, 2992760, 3383120, 3890588, 4863235, 5985520, 7781176, 9726470, 15562352, 19452940, 38905880, 77811760]

約数ペア:

[(1, 77811760), (2, 38905880), (4, 19452940), (5, 15562352), (8, 9726470), (10, 7781176), (13, 5985520), (16, 4863235), (20, 3890588), (23, 3383120), (26, 2992760), (40, 1945294), (46, 1691560), (52, 1496380), (65, 1197104), (80, 972647), (92, 845780), (104, 748190), (115, 676624), (130, 598552), (184, 422890), (208, 374095), (230, 338312), (260, 299276), (299, 260240), (368, 211445), (460, 169156), (520, 149638), (598, 130120), (920, 84578), (1040, 74819), (1196, 65060), (1495, 52048), (1840, 42289), (2392, 32530), (2990, 26024), (3253, 23920), (4784, 16265), (5980, 13012), (6506, 11960)]