778873160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{479}}^1$

素因数の和:615

約数の個数: 128

約数和(自身を含む): 1959552000

約数和(自身を除く): 1180678840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 59, 65, 104, 106, 118, 130, 212, 236, 260, 265, 295, 424, 472, 479, 520, 530, 590, 689, 767, 958, 1060, 1180, 1378, 1534, 1916, 2120, 2360, 2395, 2756, 3068, 3127, 3445, 3832, 3835, 4790, 5512, 6136, 6227, 6254, 6890, 7670, 9580, 12454, 12508, 13780, 15340, 15635, 19160, 24908, 25016, 25387, 27560, 28261, 30680, 31135, 31270, 40651, 49816, 50774, 56522, 62270, 62540, 81302, 101548, 113044, 124540, 125080, 126935, 141305, 162604, 203096, 203255, 226088, 249080, 253870, 282610, 325208, 330031, 367393, 406510, 507740, 565220, 660062, 734786, 813020, 1015480, 1130440, 1320124, 1469572, 1497833, 1626040, 1650155, 1836965, 2640248, 2939144, 2995666, 3300310, 3673930, 5991332, 6600620, 7347860, 7489165, 11982664, 13201240, 14695720, 14978330, 19471829, 29956660, 38943658, 59913320, 77887316, 97359145, 155774632, 194718290, 389436580, 778873160]

約数ペア:

[(1, 778873160), (2, 389436580), (4, 194718290), (5, 155774632), (8, 97359145), (10, 77887316), (13, 59913320), (20, 38943658), (26, 29956660), (40, 19471829), (52, 14978330), (53, 14695720), (59, 13201240), (65, 11982664), (104, 7489165), (106, 7347860), (118, 6600620), (130, 5991332), (212, 3673930), (236, 3300310), (260, 2995666), (265, 2939144), (295, 2640248), (424, 1836965), (472, 1650155), (479, 1626040), (520, 1497833), (530, 1469572), (590, 1320124), (689, 1130440), (767, 1015480), (958, 813020), (1060, 734786), (1180, 660062), (1378, 565220), (1534, 507740), (1916, 406510), (2120, 367393), (2360, 330031), (2395, 325208), (2756, 282610), (3068, 253870), (3127, 249080), (3445, 226088), (3832, 203255), (3835, 203096), (4790, 162604), (5512, 141305), (6136, 126935), (6227, 125080), (6254, 124540), (6890, 113044), (7670, 101548), (9580, 81302), (12454, 62540), (12508, 62270), (13780, 56522), (15340, 50774), (15635, 49816), (19160, 40651), (24908, 31270), (25016, 31135), (25387, 30680), (27560, 28261)]