245986240

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:366

約数の個数: 112

約数和(自身を含む): 612428544

約数和(自身を除く): 366442304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 137, 155, 160, 181, 248, 274, 310, 320, 362, 496, 548, 620, 685, 724, 905, 992, 1096, 1240, 1370, 1448, 1810, 1984, 2192, 2480, 2740, 2896, 3620, 4247, 4384, 4960, 5480, 5611, 5792, 7240, 8494, 8768, 9920, 10960, 11222, 11584, 14480, 16988, 21235, 21920, 22444, 24797, 28055, 28960, 33976, 42470, 43840, 44888, 49594, 56110, 57920, 67952, 84940, 89776, 99188, 112220, 123985, 135904, 169880, 179552, 198376, 224440, 247970, 271808, 339760, 359104, 396752, 448880, 495940, 679520, 768707, 793504, 897760, 991880, 1359040, 1537414, 1587008, 1795520, 1983760, 3074828, 3843535, 3967520, 6149656, 7687070, 7935040, 12299312, 15374140, 24598624, 30748280, 49197248, 61496560, 122993120, 245986240]

約数ペア:

[(1, 245986240), (2, 122993120), (4, 61496560), (5, 49197248), (8, 30748280), (10, 24598624), (16, 15374140), (20, 12299312), (31, 7935040), (32, 7687070), (40, 6149656), (62, 3967520), (64, 3843535), (80, 3074828), (124, 1983760), (137, 1795520), (155, 1587008), (160, 1537414), (181, 1359040), (248, 991880), (274, 897760), (310, 793504), (320, 768707), (362, 679520), (496, 495940), (548, 448880), (620, 396752), (685, 359104), (724, 339760), (905, 271808), (992, 247970), (1096, 224440), (1240, 198376), (1370, 179552), (1448, 169880), (1810, 135904), (1984, 123985), (2192, 112220), (2480, 99188), (2740, 89776), (2896, 84940), (3620, 67952), (4247, 57920), (4384, 56110), (4960, 49594), (5480, 44888), (5611, 43840), (5792, 42470), (7240, 33976), (8494, 28960), (8768, 28055), (9920, 24797), (10960, 22444), (11222, 21920), (11584, 21235), (14480, 16988)]