1330246520

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1\times {\mathrm{1753}}^1$

素因数の和:2136

約数の個数: 64

約数和(自身を含む): 3053643840

約数和(自身を除く): 1723397320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 311, 488, 610, 622, 1220, 1244, 1555, 1753, 2440, 2488, 3110, 3506, 6220, 7012, 8765, 12440, 14024, 17530, 18971, 35060, 37942, 70120, 75884, 94855, 106933, 151768, 189710, 213866, 379420, 427732, 534665, 545183, 758840, 855464, 1069330, 1090366, 2138660, 2180732, 2725915, 4277320, 4361464, 5451830, 10903660, 21807320, 33256163, 66512326, 133024652, 166280815, 266049304, 332561630, 665123260, 1330246520]

約数ペア:

[(1, 1330246520), (2, 665123260), (4, 332561630), (5, 266049304), (8, 166280815), (10, 133024652), (20, 66512326), (40, 33256163), (61, 21807320), (122, 10903660), (244, 5451830), (305, 4361464), (311, 4277320), (488, 2725915), (610, 2180732), (622, 2138660), (1220, 1090366), (1244, 1069330), (1555, 855464), (1753, 758840), (2440, 545183), (2488, 534665), (3110, 427732), (3506, 379420), (6220, 213866), (7012, 189710), (8765, 151768), (12440, 106933), (14024, 94855), (17530, 75884), (18971, 70120), (35060, 37942)]