260778882

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:165

約数の個数: 144

約数和(自身を含む): 684645696

約数和(自身を除く): 423866814

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 31, 39, 42, 49, 62, 71, 78, 91, 93, 98, 142, 147, 182, 186, 213, 217, 273, 294, 403, 426, 434, 497, 546, 637, 651, 806, 923, 961, 994, 1209, 1274, 1302, 1491, 1519, 1846, 1911, 1922, 2201, 2418, 2769, 2821, 2883, 2982, 3038, 3479, 3822, 4402, 4557, 5538, 5642, 5766, 6461, 6603, 6727, 6958, 8463, 9114, 10437, 12493, 12922, 13206, 13454, 15407, 16926, 19383, 19747, 20181, 20874, 24986, 28613, 30814, 37479, 38766, 39494, 40362, 45227, 46221, 47089, 57226, 59241, 68231, 74958, 85839, 87451, 90454, 92442, 94178, 107849, 118482, 135681, 136462, 141267, 171678, 174902, 200291, 204693, 215698, 262353, 271362, 282534, 323547, 400582, 409386, 477617, 524706, 600873, 612157, 647094, 887003, 955234, 1201746, 1224314, 1402037, 1432851, 1774006, 1836471, 2661009, 2804074, 2865702, 3343319, 3672942, 4206111, 5322018, 6209021, 6686638, 8412222, 10029957, 12418042, 18627063, 20059914, 37254126, 43463147, 86926294, 130389441, 260778882]

約数ペア:

[(1, 260778882), (2, 130389441), (3, 86926294), (6, 43463147), (7, 37254126), (13, 20059914), (14, 18627063), (21, 12418042), (26, 10029957), (31, 8412222), (39, 6686638), (42, 6209021), (49, 5322018), (62, 4206111), (71, 3672942), (78, 3343319), (91, 2865702), (93, 2804074), (98, 2661009), (142, 1836471), (147, 1774006), (182, 1432851), (186, 1402037), (213, 1224314), (217, 1201746), (273, 955234), (294, 887003), (403, 647094), (426, 612157), (434, 600873), (497, 524706), (546, 477617), (637, 409386), (651, 400582), (806, 323547), (923, 282534), (961, 271362), (994, 262353), (1209, 215698), (1274, 204693), (1302, 200291), (1491, 174902), (1519, 171678), (1846, 141267), (1911, 136462), (1922, 135681), (2201, 118482), (2418, 107849), (2769, 94178), (2821, 92442), (2883, 90454), (2982, 87451), (3038, 85839), (3479, 74958), (3822, 68231), (4402, 59241), (4557, 57226), (5538, 47089), (5642, 46221), (5766, 45227), (6461, 40362), (6603, 39494), (6727, 38766), (6958, 37479), (8463, 30814), (9114, 28613), (10437, 24986), (12493, 20874), (12922, 20181), (13206, 19747), (13454, 19383), (15407, 16926)]