15440520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{577}}^1$

素因数の和:814

約数の個数: 64

約数和(自身を含む): 46609920

約数和(自身を除く): 31169400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 223, 446, 577, 669, 892, 1115, 1154, 1338, 1731, 1784, 2230, 2308, 2676, 2885, 3345, 3462, 4460, 4616, 5352, 5770, 6690, 6924, 8655, 8920, 11540, 13380, 13848, 17310, 23080, 26760, 34620, 69240, 128671, 257342, 386013, 514684, 643355, 772026, 1029368, 1286710, 1544052, 1930065, 2573420, 3088104, 3860130, 5146840, 7720260, 15440520]

約数ペア:

[(1, 15440520), (2, 7720260), (3, 5146840), (4, 3860130), (5, 3088104), (6, 2573420), (8, 1930065), (10, 1544052), (12, 1286710), (15, 1029368), (20, 772026), (24, 643355), (30, 514684), (40, 386013), (60, 257342), (120, 128671), (223, 69240), (446, 34620), (577, 26760), (669, 23080), (892, 17310), (1115, 13848), (1154, 13380), (1338, 11540), (1731, 8920), (1784, 8655), (2230, 6924), (2308, 6690), (2676, 5770), (2885, 5352), (3345, 4616), (3462, 4460)]