278128778868

素因数分解:

$2^2\times 3^5\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{251221}}^1$

素因数の和:251324

約数の個数: 144

約数和(自身を含む): 783499114944

約数和(自身を除く): 505370336076

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 67, 68, 81, 102, 108, 134, 153, 162, 201, 204, 243, 268, 306, 324, 402, 459, 486, 603, 612, 804, 918, 972, 1139, 1206, 1377, 1809, 1836, 2278, 2412, 2754, 3417, 3618, 4131, 4556, 5427, 5508, 6834, 7236, 8262, 10251, 10854, 13668, 16281, 16524, 20502, 21708, 30753, 32562, 41004, 61506, 65124, 92259, 123012, 184518, 251221, 276777, 369036, 502442, 553554, 753663, 1004884, 1107108, 1507326, 2260989, 3014652, 4270757, 4521978, 6782967, 8541514, 9043956, 12812271, 13565934, 16831807, 17083028, 20348901, 25624542, 27131868, 33663614, 38436813, 40697802, 50495421, 51249084, 61046703, 67327228, 76873626, 81395604, 100990842, 115310439, 122093406, 151486263, 153747252, 201981684, 230620878, 244186812, 286140719, 302972526, 345931317, 454458789, 461241756, 572281438, 605945052, 691862634, 858422157, 908917578, 1037793951, 1144562876, 1363376367, 1383725268, 1716844314, 1817835156, 2075587902, 2575266471, 2726752734, 3433688628, 4090129101, 4151175804, 5150532942, 5453505468, 7725799413, 8180258202, 10301065884, 15451598826, 16360516404, 23177398239, 30903197652, 46354796478, 69532194717, 92709592956, 139064389434, 278128778868]

約数ペア:

[(1, 278128778868), (2, 139064389434), (3, 92709592956), (4, 69532194717), (6, 46354796478), (9, 30903197652), (12, 23177398239), (17, 16360516404), (18, 15451598826), (27, 10301065884), (34, 8180258202), (36, 7725799413), (51, 5453505468), (54, 5150532942), (67, 4151175804), (68, 4090129101), (81, 3433688628), (102, 2726752734), (108, 2575266471), (134, 2075587902), (153, 1817835156), (162, 1716844314), (201, 1383725268), (204, 1363376367), (243, 1144562876), (268, 1037793951), (306, 908917578), (324, 858422157), (402, 691862634), (459, 605945052), (486, 572281438), (603, 461241756), (612, 454458789), (804, 345931317), (918, 302972526), (972, 286140719), (1139, 244186812), (1206, 230620878), (1377, 201981684), (1809, 153747252), (1836, 151486263), (2278, 122093406), (2412, 115310439), (2754, 100990842), (3417, 81395604), (3618, 76873626), (4131, 67327228), (4556, 61046703), (5427, 51249084), (5508, 50495421), (6834, 40697802), (7236, 38436813), (8262, 33663614), (10251, 27131868), (10854, 25624542), (13668, 20348901), (16281, 17083028), (16524, 16831807), (20502, 13565934), (21708, 12812271), (30753, 9043956), (32562, 8541514), (41004, 6782967), (61506, 4521978), (65124, 4270757), (92259, 3014652), (123012, 2260989), (184518, 1507326), (251221, 1107108), (276777, 1004884), (369036, 753663), (502442, 553554)]