1320243015

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19739}}^1$

素因数の和:19781

約数の個数: 64

約数和(自身を含む): 2653056000

約数和(自身を除く): 1332812985

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 245, 273, 343, 455, 637, 735, 1029, 1365, 1715, 1911, 3185, 4459, 5145, 9555, 13377, 19739, 22295, 59217, 66885, 98695, 138173, 256607, 296085, 414519, 690865, 769821, 967211, 1283035, 1796249, 2072595, 2901633, 3849105, 4836055, 5388747, 6770477, 8981245, 12573743, 14508165, 20311431, 26943735, 33852385, 37721229, 62868715, 88016201, 101557155, 188606145, 264048603, 440081005, 1320243015]

約数ペア:

[(1, 1320243015), (3, 440081005), (5, 264048603), (7, 188606145), (13, 101557155), (15, 88016201), (21, 62868715), (35, 37721229), (39, 33852385), (49, 26943735), (65, 20311431), (91, 14508165), (105, 12573743), (147, 8981245), (195, 6770477), (245, 5388747), (273, 4836055), (343, 3849105), (455, 2901633), (637, 2072595), (735, 1796249), (1029, 1283035), (1365, 967211), (1715, 769821), (1911, 690865), (3185, 414519), (4459, 296085), (5145, 256607), (9555, 138173), (13377, 98695), (19739, 66885), (22295, 59217)]