280831356

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1489}}^1$

素因数の和:1556

約数の個数: 108

約数和(自身を含む): 794015040

約数和(自身を除く): 513183684

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 169, 186, 234, 279, 338, 372, 403, 468, 507, 558, 676, 806, 1014, 1116, 1209, 1489, 1521, 1612, 2028, 2418, 2978, 3042, 3627, 4467, 4836, 5239, 5956, 6084, 7254, 8934, 10478, 13401, 14508, 15717, 17868, 19357, 20956, 26802, 31434, 38714, 46159, 47151, 53604, 58071, 62868, 77428, 92318, 94302, 116142, 138477, 174213, 184636, 188604, 232284, 251641, 276954, 348426, 415431, 503282, 553908, 600067, 696852, 754923, 830862, 1006564, 1200134, 1509846, 1661724, 1800201, 2264769, 2400268, 3019692, 3600402, 4529538, 5400603, 7200804, 7800871, 9059076, 10801206, 15601742, 21602412, 23402613, 31203484, 46805226, 70207839, 93610452, 140415678, 280831356]

約数ペア:

[(1, 280831356), (2, 140415678), (3, 93610452), (4, 70207839), (6, 46805226), (9, 31203484), (12, 23402613), (13, 21602412), (18, 15601742), (26, 10801206), (31, 9059076), (36, 7800871), (39, 7200804), (52, 5400603), (62, 4529538), (78, 3600402), (93, 3019692), (117, 2400268), (124, 2264769), (156, 1800201), (169, 1661724), (186, 1509846), (234, 1200134), (279, 1006564), (338, 830862), (372, 754923), (403, 696852), (468, 600067), (507, 553908), (558, 503282), (676, 415431), (806, 348426), (1014, 276954), (1116, 251641), (1209, 232284), (1489, 188604), (1521, 184636), (1612, 174213), (2028, 138477), (2418, 116142), (2978, 94302), (3042, 92318), (3627, 77428), (4467, 62868), (4836, 58071), (5239, 53604), (5956, 47151), (6084, 46159), (7254, 38714), (8934, 31434), (10478, 26802), (13401, 20956), (14508, 19357), (15717, 17868)]