261970956

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:533

約数の個数: 144

約数和(自身を含む): 760811520

約数和(自身を除く): 498840564

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 31, 36, 39, 52, 54, 62, 78, 93, 108, 117, 124, 156, 169, 186, 234, 279, 338, 351, 372, 403, 463, 468, 507, 558, 676, 702, 806, 837, 926, 1014, 1116, 1209, 1389, 1404, 1521, 1612, 1674, 1852, 2028, 2418, 2778, 3042, 3348, 3627, 4167, 4563, 4836, 5239, 5556, 6019, 6084, 7254, 8334, 9126, 10478, 10881, 12038, 12501, 14353, 14508, 15717, 16668, 18057, 18252, 20956, 21762, 24076, 25002, 28706, 31434, 36114, 43059, 43524, 47151, 50004, 54171, 57412, 62868, 72228, 78247, 86118, 94302, 108342, 129177, 141453, 156494, 162513, 172236, 186589, 188604, 216684, 234741, 258354, 282906, 312988, 325026, 373178, 387531, 469482, 516708, 559767, 565812, 650052, 704223, 746356, 775062, 938964, 1119534, 1408446, 1550124, 1679301, 2112669, 2239068, 2425657, 2816892, 3358602, 4225338, 4851314, 5037903, 6717204, 7276971, 8450676, 9702628, 10075806, 14553942, 20151612, 21830913, 29107884, 43661826, 65492739, 87323652, 130985478, 261970956]

約数ペア:

[(1, 261970956), (2, 130985478), (3, 87323652), (4, 65492739), (6, 43661826), (9, 29107884), (12, 21830913), (13, 20151612), (18, 14553942), (26, 10075806), (27, 9702628), (31, 8450676), (36, 7276971), (39, 6717204), (52, 5037903), (54, 4851314), (62, 4225338), (78, 3358602), (93, 2816892), (108, 2425657), (117, 2239068), (124, 2112669), (156, 1679301), (169, 1550124), (186, 1408446), (234, 1119534), (279, 938964), (338, 775062), (351, 746356), (372, 704223), (403, 650052), (463, 565812), (468, 559767), (507, 516708), (558, 469482), (676, 387531), (702, 373178), (806, 325026), (837, 312988), (926, 282906), (1014, 258354), (1116, 234741), (1209, 216684), (1389, 188604), (1404, 186589), (1521, 172236), (1612, 162513), (1674, 156494), (1852, 141453), (2028, 129177), (2418, 108342), (2778, 94302), (3042, 86118), (3348, 78247), (3627, 72228), (4167, 62868), (4563, 57412), (4836, 54171), (5239, 50004), (5556, 47151), (6019, 43524), (6084, 43059), (7254, 36114), (8334, 31434), (9126, 28706), (10478, 25002), (10881, 24076), (12038, 21762), (12501, 20956), (14353, 18252), (14508, 18057), (15717, 16668)]