81556956

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1$

素因数の和:130

約数の個数: 180

約数和(自身を含む): 247547608

約数和(自身を除く): 165990652

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 27, 34, 36, 39, 51, 52, 54, 67, 68, 78, 81, 102, 108, 117, 134, 153, 156, 162, 201, 204, 221, 234, 268, 289, 306, 324, 351, 402, 442, 459, 468, 578, 603, 612, 663, 702, 804, 867, 871, 884, 918, 1053, 1139, 1156, 1206, 1326, 1377, 1404, 1734, 1742, 1809, 1836, 1989, 2106, 2278, 2412, 2601, 2613, 2652, 2754, 3417, 3468, 3484, 3618, 3757, 3978, 4212, 4556, 5202, 5226, 5427, 5508, 5967, 6834, 7236, 7514, 7803, 7839, 7956, 10251, 10404, 10452, 10854, 11271, 11934, 13668, 14807, 15028, 15606, 15678, 17901, 19363, 20502, 21708, 22542, 23409, 23517, 23868, 29614, 30753, 31212, 31356, 33813, 35802, 38726, 41004, 44421, 45084, 46818, 47034, 58089, 59228, 61506, 67626, 70551, 71604, 77452, 88842, 92259, 93636, 94068, 101439, 116178, 123012, 133263, 135252, 141102, 174267, 177684, 184518, 202878, 232356, 251719, 266526, 282204, 304317, 348534, 369036, 399789, 405756, 503438, 522801, 533052, 608634, 697068, 755157, 799578, 1006876, 1045602, 1199367, 1217268, 1510314, 1568403, 1599156, 2091204, 2265471, 2398734, 3020628, 3136806, 4530942, 4797468, 6273612, 6796413, 9061884, 13592826, 20389239, 27185652, 40778478, 81556956]

約数ペア:

[(1, 81556956), (2, 40778478), (3, 27185652), (4, 20389239), (6, 13592826), (9, 9061884), (12, 6796413), (13, 6273612), (17, 4797468), (18, 4530942), (26, 3136806), (27, 3020628), (34, 2398734), (36, 2265471), (39, 2091204), (51, 1599156), (52, 1568403), (54, 1510314), (67, 1217268), (68, 1199367), (78, 1045602), (81, 1006876), (102, 799578), (108, 755157), (117, 697068), (134, 608634), (153, 533052), (156, 522801), (162, 503438), (201, 405756), (204, 399789), (221, 369036), (234, 348534), (268, 304317), (289, 282204), (306, 266526), (324, 251719), (351, 232356), (402, 202878), (442, 184518), (459, 177684), (468, 174267), (578, 141102), (603, 135252), (612, 133263), (663, 123012), (702, 116178), (804, 101439), (867, 94068), (871, 93636), (884, 92259), (918, 88842), (1053, 77452), (1139, 71604), (1156, 70551), (1206, 67626), (1326, 61506), (1377, 59228), (1404, 58089), (1734, 47034), (1742, 46818), (1809, 45084), (1836, 44421), (1989, 41004), (2106, 38726), (2278, 35802), (2412, 33813), (2601, 31356), (2613, 31212), (2652, 30753), (2754, 29614), (3417, 23868), (3468, 23517), (3484, 23409), (3618, 22542), (3757, 21708), (3978, 20502), (4212, 19363), (4556, 17901), (5202, 15678), (5226, 15606), (5427, 15028), (5508, 14807), (5967, 13668), (6834, 11934), (7236, 11271), (7514, 10854), (7803, 10452), (7839, 10404), (7956, 10251)]