2787189912

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:896

約数の個数: 240

約数和(自身を含む): 8736742080

約数和(自身を除く): 5949552168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 31, 36, 39, 52, 54, 62, 72, 78, 81, 93, 104, 108, 117, 124, 156, 162, 169, 186, 216, 234, 248, 279, 312, 324, 338, 351, 372, 403, 468, 507, 558, 648, 676, 702, 744, 806, 821, 837, 936, 1014, 1053, 1116, 1209, 1352, 1404, 1521, 1612, 1642, 1674, 2028, 2106, 2232, 2418, 2463, 2511, 2808, 3042, 3224, 3284, 3348, 3627, 4056, 4212, 4563, 4836, 4926, 5022, 5239, 6084, 6568, 6696, 7254, 7389, 8424, 9126, 9672, 9852, 10044, 10478, 10673, 10881, 12168, 13689, 14508, 14778, 15717, 18252, 19704, 20088, 20956, 21346, 21762, 22167, 25451, 27378, 29016, 29556, 31434, 32019, 32643, 36504, 41912, 42692, 43524, 44334, 47151, 50902, 54756, 59112, 62868, 64038, 65286, 66501, 76353, 85384, 87048, 88668, 94302, 96057, 101804, 109512, 125736, 128076, 130572, 133002, 138749, 141453, 152706, 177336, 188604, 192114, 203608, 229059, 256152, 261144, 266004, 277498, 282906, 288171, 305412, 330863, 377208, 384228, 416247, 424359, 458118, 532008, 554996, 565812, 576342, 610824, 661726, 687177, 768456, 832494, 848718, 864513, 916236, 992589, 1109992, 1131624, 1152684, 1248741, 1323452, 1374354, 1664988, 1697436, 1729026, 1832472, 1985178, 2061531, 2305368, 2497482, 2646904, 2748708, 2977767, 3329976, 3394872, 3458052, 3746223, 3970356, 4123062, 4301219, 4994964, 5497416, 5955534, 6916104, 7492446, 7940712, 8246124, 8602438, 8933301, 9989928, 11238669, 11911068, 12903657, 14984892, 16492248, 17204876, 17866602, 22477338, 23822136, 25807314, 26799903, 29969784, 34409752, 35733204, 38710971, 44954676, 51614628, 53599806, 71466408, 77421942, 89909352, 103229256, 107199612, 116132913, 154843884, 214399224, 232265826, 309687768, 348398739, 464531652, 696797478, 929063304, 1393594956, 2787189912]

約数ペア:

[(1, 2787189912), (2, 1393594956), (3, 929063304), (4, 696797478), (6, 464531652), (8, 348398739), (9, 309687768), (12, 232265826), (13, 214399224), (18, 154843884), (24, 116132913), (26, 107199612), (27, 103229256), (31, 89909352), (36, 77421942), (39, 71466408), (52, 53599806), (54, 51614628), (62, 44954676), (72, 38710971), (78, 35733204), (81, 34409752), (93, 29969784), (104, 26799903), (108, 25807314), (117, 23822136), (124, 22477338), (156, 17866602), (162, 17204876), (169, 16492248), (186, 14984892), (216, 12903657), (234, 11911068), (248, 11238669), (279, 9989928), (312, 8933301), (324, 8602438), (338, 8246124), (351, 7940712), (372, 7492446), (403, 6916104), (468, 5955534), (507, 5497416), (558, 4994964), (648, 4301219), (676, 4123062), (702, 3970356), (744, 3746223), (806, 3458052), (821, 3394872), (837, 3329976), (936, 2977767), (1014, 2748708), (1053, 2646904), (1116, 2497482), (1209, 2305368), (1352, 2061531), (1404, 1985178), (1521, 1832472), (1612, 1729026), (1642, 1697436), (1674, 1664988), (2028, 1374354), (2106, 1323452), (2232, 1248741), (2418, 1152684), (2463, 1131624), (2511, 1109992), (2808, 992589), (3042, 916236), (3224, 864513), (3284, 848718), (3348, 832494), (3627, 768456), (4056, 687177), (4212, 661726), (4563, 610824), (4836, 576342), (4926, 565812), (5022, 554996), (5239, 532008), (6084, 458118), (6568, 424359), (6696, 416247), (7254, 384228), (7389, 377208), (8424, 330863), (9126, 305412), (9672, 288171), (9852, 282906), (10044, 277498), (10478, 266004), (10673, 261144), (10881, 256152), (12168, 229059), (13689, 203608), (14508, 192114), (14778, 188604), (15717, 177336), (18252, 152706), (19704, 141453), (20088, 138749), (20956, 133002), (21346, 130572), (21762, 128076), (22167, 125736), (25451, 109512), (27378, 101804), (29016, 96057), (29556, 94302), (31434, 88668), (32019, 87048), (32643, 85384), (36504, 76353), (41912, 66501), (42692, 65286), (43524, 64038), (44334, 62868), (47151, 59112), (50902, 54756)]