128420754

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:320

約数の個数: 128

約数和(自身を含む): 344881152

約数和(自身を除く): 216460398

約数列:

[1, 2, 3, 6, 7, 11, 14, 17, 21, 22, 33, 34, 42, 51, 66, 77, 83, 102, 119, 154, 166, 187, 197, 231, 238, 249, 357, 374, 394, 462, 498, 561, 581, 591, 714, 913, 1122, 1162, 1182, 1309, 1379, 1411, 1743, 1826, 2167, 2618, 2739, 2758, 2822, 3349, 3486, 3927, 4137, 4233, 4334, 5478, 6391, 6501, 6698, 7854, 8274, 8466, 9877, 10047, 12782, 13002, 15169, 15521, 16351, 19173, 19754, 20094, 23443, 29631, 30338, 31042, 32702, 36839, 38346, 45507, 46563, 46886, 49053, 59262, 70329, 73678, 91014, 93126, 98106, 108647, 110517, 114457, 140658, 179861, 217294, 221034, 228914, 257873, 277967, 325941, 343371, 359722, 515746, 539583, 555934, 651882, 686742, 773619, 833901, 1079166, 1259027, 1547238, 1667802, 1945769, 2518054, 3057637, 3777081, 3891538, 5837307, 6115274, 7554162, 9172911, 11674614, 18345822, 21403459, 42806918, 64210377, 128420754]

約数ペア:

[(1, 128420754), (2, 64210377), (3, 42806918), (6, 21403459), (7, 18345822), (11, 11674614), (14, 9172911), (17, 7554162), (21, 6115274), (22, 5837307), (33, 3891538), (34, 3777081), (42, 3057637), (51, 2518054), (66, 1945769), (77, 1667802), (83, 1547238), (102, 1259027), (119, 1079166), (154, 833901), (166, 773619), (187, 686742), (197, 651882), (231, 555934), (238, 539583), (249, 515746), (357, 359722), (374, 343371), (394, 325941), (462, 277967), (498, 257873), (561, 228914), (581, 221034), (591, 217294), (714, 179861), (913, 140658), (1122, 114457), (1162, 110517), (1182, 108647), (1309, 98106), (1379, 93126), (1411, 91014), (1743, 73678), (1826, 70329), (2167, 59262), (2618, 49053), (2739, 46886), (2758, 46563), (2822, 45507), (3349, 38346), (3486, 36839), (3927, 32702), (4137, 31042), (4233, 30338), (4334, 29631), (5478, 23443), (6391, 20094), (6501, 19754), (6698, 19173), (7854, 16351), (8274, 15521), (8466, 15169), (9877, 13002), (10047, 12782)]