257910361605

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{761}}^1\times {\mathrm{6659}}^1$

素因数の和:7476

約数の個数: 128

約数和(自身を含む): 511551936000

約数和(自身を除く): 253641574395

約数列:

[1, 3, 5, 9, 13, 15, 27, 29, 39, 45, 65, 87, 117, 135, 145, 195, 261, 351, 377, 435, 585, 761, 783, 1131, 1305, 1755, 1885, 2283, 3393, 3805, 3915, 5655, 6659, 6849, 9893, 10179, 11415, 16965, 19977, 20547, 22069, 29679, 33295, 34245, 49465, 50895, 59931, 66207, 86567, 89037, 99885, 102735, 110345, 148395, 179793, 193111, 198621, 259701, 267111, 286897, 299655, 331035, 432835, 445185, 579333, 595863, 779103, 860691, 898965, 965555, 993105, 1298505, 1335555, 1434485, 1737999, 2337309, 2510443, 2582073, 2896665, 2979315, 3895515, 4303455, 5067499, 5213997, 7531329, 7746219, 8689995, 11686545, 12552215, 12910365, 15202497, 22593987, 25337495, 26069985, 37656645, 38731095, 45607491, 65877487, 67781961, 76012485, 112969935, 136822473, 146957471, 197632461, 228037455, 329387435, 338909805, 440872413, 592897383, 684112365, 734787355, 988162305, 1322617239, 1778692149, 1910447123, 2204362065, 2964486915, 3967851717, 5731341369, 6613086195, 8893460745, 9552235615, 17194024107, 19839258585, 28656706845, 51582072321, 85970120535, 257910361605]

約数ペア:

[(1, 257910361605), (3, 85970120535), (5, 51582072321), (9, 28656706845), (13, 19839258585), (15, 17194024107), (27, 9552235615), (29, 8893460745), (39, 6613086195), (45, 5731341369), (65, 3967851717), (87, 2964486915), (117, 2204362065), (135, 1910447123), (145, 1778692149), (195, 1322617239), (261, 988162305), (351, 734787355), (377, 684112365), (435, 592897383), (585, 440872413), (761, 338909805), (783, 329387435), (1131, 228037455), (1305, 197632461), (1755, 146957471), (1885, 136822473), (2283, 112969935), (3393, 76012485), (3805, 67781961), (3915, 65877487), (5655, 45607491), (6659, 38731095), (6849, 37656645), (9893, 26069985), (10179, 25337495), (11415, 22593987), (16965, 15202497), (19977, 12910365), (20547, 12552215), (22069, 11686545), (29679, 8689995), (33295, 7746219), (34245, 7531329), (49465, 5213997), (50895, 5067499), (59931, 4303455), (66207, 3895515), (86567, 2979315), (89037, 2896665), (99885, 2582073), (102735, 2510443), (110345, 2337309), (148395, 1737999), (179793, 1434485), (193111, 1335555), (198621, 1298505), (259701, 993105), (267111, 965555), (286897, 898965), (299655, 860691), (331035, 779103), (432835, 595863), (445185, 579333)]