87206720

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:256

約数の個数: 112

約数和(自身を含む): 219456000

約数和(自身を除く): 132249280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 59, 62, 64, 80, 118, 124, 149, 155, 160, 236, 248, 295, 298, 310, 320, 472, 496, 590, 596, 620, 745, 944, 992, 1180, 1192, 1240, 1490, 1829, 1888, 1984, 2360, 2384, 2480, 2980, 3658, 3776, 4619, 4720, 4768, 4960, 5960, 7316, 8791, 9145, 9238, 9440, 9536, 9920, 11920, 14632, 17582, 18290, 18476, 18880, 23095, 23840, 29264, 35164, 36580, 36952, 43955, 46190, 47680, 58528, 70328, 73160, 73904, 87910, 92380, 117056, 140656, 146320, 147808, 175820, 184760, 272521, 281312, 292640, 295616, 351640, 369520, 545042, 562624, 585280, 703280, 739040, 1090084, 1362605, 1406560, 1478080, 2180168, 2725210, 2813120, 4360336, 5450420, 8720672, 10900840, 17441344, 21801680, 43603360, 87206720]

約数ペア:

[(1, 87206720), (2, 43603360), (4, 21801680), (5, 17441344), (8, 10900840), (10, 8720672), (16, 5450420), (20, 4360336), (31, 2813120), (32, 2725210), (40, 2180168), (59, 1478080), (62, 1406560), (64, 1362605), (80, 1090084), (118, 739040), (124, 703280), (149, 585280), (155, 562624), (160, 545042), (236, 369520), (248, 351640), (295, 295616), (298, 292640), (310, 281312), (320, 272521), (472, 184760), (496, 175820), (590, 147808), (596, 146320), (620, 140656), (745, 117056), (944, 92380), (992, 87910), (1180, 73904), (1192, 73160), (1240, 70328), (1490, 58528), (1829, 47680), (1888, 46190), (1984, 43955), (2360, 36952), (2384, 36580), (2480, 35164), (2980, 29264), (3658, 23840), (3776, 23095), (4619, 18880), (4720, 18476), (4768, 18290), (4960, 17582), (5960, 14632), (7316, 11920), (8791, 9920), (9145, 9536), (9238, 9440)]