78404520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10711}}^1$

素因数の和:10786

約数の個数: 64

約数和(自身を含む): 239091840

約数和(自身を除く): 160687320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 3660, 7320, 10711, 21422, 32133, 42844, 53555, 64266, 85688, 107110, 128532, 160665, 214220, 257064, 321330, 428440, 642660, 653371, 1285320, 1306742, 1960113, 2613484, 3266855, 3920226, 5226968, 6533710, 7840452, 9800565, 13067420, 15680904, 19601130, 26134840, 39202260, 78404520]

約数ペア:

[(1, 78404520), (2, 39202260), (3, 26134840), (4, 19601130), (5, 15680904), (6, 13067420), (8, 9800565), (10, 7840452), (12, 6533710), (15, 5226968), (20, 3920226), (24, 3266855), (30, 2613484), (40, 1960113), (60, 1306742), (61, 1285320), (120, 653371), (122, 642660), (183, 428440), (244, 321330), (305, 257064), (366, 214220), (488, 160665), (610, 128532), (732, 107110), (915, 85688), (1220, 64266), (1464, 53555), (1830, 42844), (2440, 32133), (3660, 21422), (7320, 10711)]