15694405840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1\times {\mathrm{12763}}^1$

素因数の和:13604

約数の個数: 80

約数和(自身を含む): 38460484800

約数和(自身を除く): 22766078960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 809, 1520, 1618, 3236, 4045, 6472, 8090, 12763, 12944, 15371, 16180, 25526, 30742, 32360, 51052, 61484, 63815, 64720, 76855, 102104, 122968, 127630, 153710, 204208, 242497, 245936, 255260, 307420, 484994, 510520, 614840, 969988, 1021040, 1212485, 1229680, 1939976, 2424970, 3879952, 4849940, 9699880, 10325267, 19399760, 20650534, 41301068, 51626335, 82602136, 103252670, 165204272, 196180073, 206505340, 392360146, 413010680, 784720292, 826021360, 980900365, 1569440584, 1961800730, 3138881168, 3923601460, 7847202920, 15694405840]

約数ペア:

[(1, 15694405840), (2, 7847202920), (4, 3923601460), (5, 3138881168), (8, 1961800730), (10, 1569440584), (16, 980900365), (19, 826021360), (20, 784720292), (38, 413010680), (40, 392360146), (76, 206505340), (80, 196180073), (95, 165204272), (152, 103252670), (190, 82602136), (304, 51626335), (380, 41301068), (760, 20650534), (809, 19399760), (1520, 10325267), (1618, 9699880), (3236, 4849940), (4045, 3879952), (6472, 2424970), (8090, 1939976), (12763, 1229680), (12944, 1212485), (15371, 1021040), (16180, 969988), (25526, 614840), (30742, 510520), (32360, 484994), (51052, 307420), (61484, 255260), (63815, 245936), (64720, 242497), (76855, 204208), (102104, 153710), (122968, 127630)]