348826880

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 883008000

約数和(自身を除く): 534181120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 59, 62, 64, 80, 118, 124, 128, 149, 155, 160, 236, 248, 256, 295, 298, 310, 320, 472, 496, 590, 596, 620, 640, 745, 944, 992, 1180, 1192, 1240, 1280, 1490, 1829, 1888, 1984, 2360, 2384, 2480, 2980, 3658, 3776, 3968, 4619, 4720, 4768, 4960, 5960, 7316, 7552, 7936, 8791, 9145, 9238, 9440, 9536, 9920, 11920, 14632, 15104, 17582, 18290, 18476, 18880, 19072, 19840, 23095, 23840, 29264, 35164, 36580, 36952, 37760, 38144, 39680, 43955, 46190, 47680, 58528, 70328, 73160, 73904, 75520, 87910, 92380, 95360, 117056, 140656, 146320, 147808, 175820, 184760, 190720, 234112, 272521, 281312, 292640, 295616, 351640, 369520, 468224, 545042, 562624, 585280, 591232, 703280, 739040, 1090084, 1125248, 1170560, 1182464, 1362605, 1406560, 1478080, 2180168, 2250496, 2341120, 2725210, 2813120, 2956160, 4360336, 5450420, 5626240, 5912320, 8720672, 10900840, 11252480, 17441344, 21801680, 34882688, 43603360, 69765376, 87206720, 174413440, 348826880]

約数ペア:

[(1, 348826880), (2, 174413440), (4, 87206720), (5, 69765376), (8, 43603360), (10, 34882688), (16, 21801680), (20, 17441344), (31, 11252480), (32, 10900840), (40, 8720672), (59, 5912320), (62, 5626240), (64, 5450420), (80, 4360336), (118, 2956160), (124, 2813120), (128, 2725210), (149, 2341120), (155, 2250496), (160, 2180168), (236, 1478080), (248, 1406560), (256, 1362605), (295, 1182464), (298, 1170560), (310, 1125248), (320, 1090084), (472, 739040), (496, 703280), (590, 591232), (596, 585280), (620, 562624), (640, 545042), (745, 468224), (944, 369520), (992, 351640), (1180, 295616), (1192, 292640), (1240, 281312), (1280, 272521), (1490, 234112), (1829, 190720), (1888, 184760), (1984, 175820), (2360, 147808), (2384, 146320), (2480, 140656), (2980, 117056), (3658, 95360), (3776, 92380), (3968, 87910), (4619, 75520), (4720, 73904), (4768, 73160), (4960, 70328), (5960, 58528), (7316, 47680), (7552, 46190), (7936, 43955), (8791, 39680), (9145, 38144), (9238, 37760), (9440, 36952), (9536, 36580), (9920, 35164), (11920, 29264), (14632, 23840), (15104, 23095), (17582, 19840), (18290, 19072), (18476, 18880)]