128761600

素因数分解:

$2^8\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:127

約数の個数: 216

約数和(自身を含む): 364976640

約数和(自身を除く): 236215040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 32, 40, 44, 50, 55, 59, 62, 64, 80, 88, 100, 110, 118, 124, 128, 155, 160, 176, 200, 220, 236, 248, 256, 275, 295, 310, 320, 341, 352, 400, 440, 472, 496, 550, 590, 620, 640, 649, 682, 704, 775, 800, 880, 944, 992, 1100, 1180, 1240, 1280, 1298, 1364, 1408, 1475, 1550, 1600, 1705, 1760, 1829, 1888, 1984, 2200, 2360, 2480, 2596, 2728, 2816, 2950, 3100, 3200, 3245, 3410, 3520, 3658, 3776, 3968, 4400, 4720, 4960, 5192, 5456, 5900, 6200, 6400, 6490, 6820, 7040, 7316, 7552, 7936, 8525, 8800, 9145, 9440, 9920, 10384, 10912, 11800, 12400, 12980, 13640, 14080, 14632, 15104, 16225, 17050, 17600, 18290, 18880, 19840, 20119, 20768, 21824, 23600, 24800, 25960, 27280, 29264, 32450, 34100, 35200, 36580, 37760, 39680, 40238, 41536, 43648, 45725, 47200, 49600, 51920, 54560, 58528, 64900, 68200, 70400, 73160, 75520, 80476, 83072, 87296, 91450, 94400, 99200, 100595, 103840, 109120, 117056, 129800, 136400, 146320, 160952, 166144, 182900, 188800, 198400, 201190, 207680, 218240, 234112, 259600, 272800, 292640, 321904, 365800, 377600, 402380, 415360, 436480, 468224, 502975, 519200, 545600, 585280, 643808, 731600, 804760, 830720, 1005950, 1038400, 1091200, 1170560, 1287616, 1463200, 1609520, 2011900, 2076800, 2182400, 2341120, 2575232, 2926400, 3219040, 4023800, 4153600, 5150464, 5852800, 6438080, 8047600, 11705600, 12876160, 16095200, 25752320, 32190400, 64380800, 128761600]

約数ペア:

[(1, 128761600), (2, 64380800), (4, 32190400), (5, 25752320), (8, 16095200), (10, 12876160), (11, 11705600), (16, 8047600), (20, 6438080), (22, 5852800), (25, 5150464), (31, 4153600), (32, 4023800), (40, 3219040), (44, 2926400), (50, 2575232), (55, 2341120), (59, 2182400), (62, 2076800), (64, 2011900), (80, 1609520), (88, 1463200), (100, 1287616), (110, 1170560), (118, 1091200), (124, 1038400), (128, 1005950), (155, 830720), (160, 804760), (176, 731600), (200, 643808), (220, 585280), (236, 545600), (248, 519200), (256, 502975), (275, 468224), (295, 436480), (310, 415360), (320, 402380), (341, 377600), (352, 365800), (400, 321904), (440, 292640), (472, 272800), (496, 259600), (550, 234112), (590, 218240), (620, 207680), (640, 201190), (649, 198400), (682, 188800), (704, 182900), (775, 166144), (800, 160952), (880, 146320), (944, 136400), (992, 129800), (1100, 117056), (1180, 109120), (1240, 103840), (1280, 100595), (1298, 99200), (1364, 94400), (1408, 91450), (1475, 87296), (1550, 83072), (1600, 80476), (1705, 75520), (1760, 73160), (1829, 70400), (1888, 68200), (1984, 64900), (2200, 58528), (2360, 54560), (2480, 51920), (2596, 49600), (2728, 47200), (2816, 45725), (2950, 43648), (3100, 41536), (3200, 40238), (3245, 39680), (3410, 37760), (3520, 36580), (3658, 35200), (3776, 34100), (3968, 32450), (4400, 29264), (4720, 27280), (4960, 25960), (5192, 24800), (5456, 23600), (5900, 21824), (6200, 20768), (6400, 20119), (6490, 19840), (6820, 18880), (7040, 18290), (7316, 17600), (7552, 17050), (7936, 16225), (8525, 15104), (8800, 14632), (9145, 14080), (9440, 13640), (9920, 12980), (10384, 12400), (10912, 11800)]