278323760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{24329}}^1$

素因数の和:24366

約数の個数: 80

約数和(自身を含む): 760263840

約数和(自身を除く): 481940080

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 5720, 11440, 24329, 48658, 97316, 121645, 194632, 243290, 267619, 316277, 389264, 486580, 535238, 632554, 973160, 1070476, 1265108, 1338095, 1581385, 1946320, 2140952, 2530216, 2676190, 3162770, 3479047, 4281904, 5060432, 5352380, 6325540, 6958094, 10704760, 12651080, 13916188, 17395235, 21409520, 25302160, 27832376, 34790470, 55664752, 69580940, 139161880, 278323760]

約数ペア:

[(1, 278323760), (2, 139161880), (4, 69580940), (5, 55664752), (8, 34790470), (10, 27832376), (11, 25302160), (13, 21409520), (16, 17395235), (20, 13916188), (22, 12651080), (26, 10704760), (40, 6958094), (44, 6325540), (52, 5352380), (55, 5060432), (65, 4281904), (80, 3479047), (88, 3162770), (104, 2676190), (110, 2530216), (130, 2140952), (143, 1946320), (176, 1581385), (208, 1338095), (220, 1265108), (260, 1070476), (286, 973160), (440, 632554), (520, 535238), (572, 486580), (715, 389264), (880, 316277), (1040, 267619), (1144, 243290), (1430, 194632), (2288, 121645), (2860, 97316), (5720, 48658), (11440, 24329)]