30881040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{577}}^1$

素因数の和:816

約数の個数: 80

約数和(自身を含む): 96327168

約数和(自身を除く): 65446128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 223, 240, 446, 577, 669, 892, 1115, 1154, 1338, 1731, 1784, 2230, 2308, 2676, 2885, 3345, 3462, 3568, 4460, 4616, 5352, 5770, 6690, 6924, 8655, 8920, 9232, 10704, 11540, 13380, 13848, 17310, 17840, 23080, 26760, 27696, 34620, 46160, 53520, 69240, 128671, 138480, 257342, 386013, 514684, 643355, 772026, 1029368, 1286710, 1544052, 1930065, 2058736, 2573420, 3088104, 3860130, 5146840, 6176208, 7720260, 10293680, 15440520, 30881040]

約数ペア:

[(1, 30881040), (2, 15440520), (3, 10293680), (4, 7720260), (5, 6176208), (6, 5146840), (8, 3860130), (10, 3088104), (12, 2573420), (15, 2058736), (16, 1930065), (20, 1544052), (24, 1286710), (30, 1029368), (40, 772026), (48, 643355), (60, 514684), (80, 386013), (120, 257342), (223, 138480), (240, 128671), (446, 69240), (577, 53520), (669, 46160), (892, 34620), (1115, 27696), (1154, 26760), (1338, 23080), (1731, 17840), (1784, 17310), (2230, 13848), (2308, 13380), (2676, 11540), (2885, 10704), (3345, 9232), (3462, 8920), (3568, 8655), (4460, 6924), (4616, 6690), (5352, 5770)]