123456880000

素因数分解:

$2^7\times 5^4\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{743}}^1$

素因数の和:875

約数の個数: 320

約数和(自身を含む): 322420792320

約数和(自身を除く): 198963912320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 67, 80, 100, 124, 125, 128, 134, 155, 160, 200, 248, 250, 268, 310, 320, 335, 400, 496, 500, 536, 620, 625, 640, 670, 743, 775, 800, 992, 1000, 1072, 1240, 1250, 1340, 1486, 1550, 1600, 1675, 1984, 2000, 2077, 2144, 2480, 2500, 2680, 2972, 3100, 3200, 3350, 3715, 3875, 3968, 4000, 4154, 4288, 4960, 5000, 5360, 5944, 6200, 6700, 7430, 7750, 8000, 8308, 8375, 8576, 9920, 10000, 10385, 10720, 11888, 12400, 13400, 14860, 15500, 16000, 16616, 16750, 18575, 19375, 19840, 20000, 20770, 21440, 23033, 23776, 24800, 26800, 29720, 31000, 33232, 33500, 37150, 38750, 40000, 41540, 41875, 42880, 46066, 47552, 49600, 49781, 51925, 53600, 59440, 62000, 66464, 67000, 74300, 77500, 80000, 83080, 83750, 92132, 92875, 95104, 99200, 99562, 103850, 107200, 115165, 118880, 124000, 132928, 134000, 148600, 155000, 166160, 167500, 184264, 185750, 199124, 207700, 214400, 230330, 237760, 248000, 248905, 259625, 265856, 268000, 297200, 310000, 332320, 335000, 368528, 371500, 398248, 415400, 460660, 464375, 475520, 496000, 497810, 519250, 536000, 575825, 594400, 620000, 664640, 670000, 737056, 743000, 796496, 830800, 921320, 928750, 995620, 1038500, 1072000, 1151650, 1188800, 1240000, 1244525, 1298125, 1329280, 1340000, 1474112, 1486000, 1543211, 1592992, 1661600, 1842640, 1857500, 1991240, 2077000, 2303300, 2377600, 2480000, 2489050, 2596250, 2680000, 2879125, 2948224, 2972000, 3086422, 3185984, 3323200, 3685280, 3715000, 3982480, 4154000, 4606600, 4978100, 5192500, 5360000, 5758250, 5944000, 6172844, 6222625, 6371968, 6646400, 7370560, 7430000, 7716055, 7964960, 8308000, 9213200, 9956200, 10385000, 11516500, 11888000, 12345688, 12445250, 14395625, 14741120, 14860000, 15432110, 15929920, 16616000, 18426400, 19912400, 20770000, 23033000, 24691376, 24890500, 28791250, 29720000, 30864220, 31113125, 31859840, 33232000, 36852800, 38580275, 39824800, 41540000, 46066000, 49382752, 49781000, 57582500, 59440000, 61728440, 62226250, 73705600, 77160550, 79649600, 83080000, 92132000, 98765504, 99562000, 115165000, 123456880, 124452500, 154321100, 159299200, 166160000, 184264000, 192901375, 197531008, 199124000, 230330000, 246913760, 248905000, 308642200, 368528000, 385802750, 398248000, 460660000, 493827520, 497810000, 617284400, 771605500, 796496000, 921320000, 964506875, 987655040, 995620000, 1234568800, 1543211000, 1842640000, 1929013750, 1991240000, 2469137600, 3086422000, 3858027500, 3982480000, 4938275200, 6172844000, 7716055000, 12345688000, 15432110000, 24691376000, 30864220000, 61728440000, 123456880000]

約数ペア:

[(1, 123456880000), (2, 61728440000), (4, 30864220000), (5, 24691376000), (8, 15432110000), (10, 12345688000), (16, 7716055000), (20, 6172844000), (25, 4938275200), (31, 3982480000), (32, 3858027500), (40, 3086422000), (50, 2469137600), (62, 1991240000), (64, 1929013750), (67, 1842640000), (80, 1543211000), (100, 1234568800), (124, 995620000), (125, 987655040), (128, 964506875), (134, 921320000), (155, 796496000), (160, 771605500), (200, 617284400), (248, 497810000), (250, 493827520), (268, 460660000), (310, 398248000), (320, 385802750), (335, 368528000), (400, 308642200), (496, 248905000), (500, 246913760), (536, 230330000), (620, 199124000), (625, 197531008), (640, 192901375), (670, 184264000), (743, 166160000), (775, 159299200), (800, 154321100), (992, 124452500), (1000, 123456880), (1072, 115165000), (1240, 99562000), (1250, 98765504), (1340, 92132000), (1486, 83080000), (1550, 79649600), (1600, 77160550), (1675, 73705600), (1984, 62226250), (2000, 61728440), (2077, 59440000), (2144, 57582500), (2480, 49781000), (2500, 49382752), (2680, 46066000), (2972, 41540000), (3100, 39824800), (3200, 38580275), (3350, 36852800), (3715, 33232000), (3875, 31859840), (3968, 31113125), (4000, 30864220), (4154, 29720000), (4288, 28791250), (4960, 24890500), (5000, 24691376), (5360, 23033000), (5944, 20770000), (6200, 19912400), (6700, 18426400), (7430, 16616000), (7750, 15929920), (8000, 15432110), (8308, 14860000), (8375, 14741120), (8576, 14395625), (9920, 12445250), (10000, 12345688), (10385, 11888000), (10720, 11516500), (11888, 10385000), (12400, 9956200), (13400, 9213200), (14860, 8308000), (15500, 7964960), (16000, 7716055), (16616, 7430000), (16750, 7370560), (18575, 6646400), (19375, 6371968), (19840, 6222625), (20000, 6172844), (20770, 5944000), (21440, 5758250), (23033, 5360000), (23776, 5192500), (24800, 4978100), (26800, 4606600), (29720, 4154000), (31000, 3982480), (33232, 3715000), (33500, 3685280), (37150, 3323200), (38750, 3185984), (40000, 3086422), (41540, 2972000), (41875, 2948224), (42880, 2879125), (46066, 2680000), (47552, 2596250), (49600, 2489050), (49781, 2480000), (51925, 2377600), (53600, 2303300), (59440, 2077000), (62000, 1991240), (66464, 1857500), (67000, 1842640), (74300, 1661600), (77500, 1592992), (80000, 1543211), (83080, 1486000), (83750, 1474112), (92132, 1340000), (92875, 1329280), (95104, 1298125), (99200, 1244525), (99562, 1240000), (103850, 1188800), (107200, 1151650), (115165, 1072000), (118880, 1038500), (124000, 995620), (132928, 928750), (134000, 921320), (148600, 830800), (155000, 796496), (166160, 743000), (167500, 737056), (184264, 670000), (185750, 664640), (199124, 620000), (207700, 594400), (214400, 575825), (230330, 536000), (237760, 519250), (248000, 497810), (248905, 496000), (259625, 475520), (265856, 464375), (268000, 460660), (297200, 415400), (310000, 398248), (332320, 371500), (335000, 368528)]