15928020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{827}}^1$

素因数の和:949

約数の個数: 72

約数和(自身を含む): 48825504

約数和(自身を除く): 32897484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 827, 963, 1070, 1284, 1605, 1654, 1926, 2140, 2481, 3210, 3308, 3852, 4135, 4815, 4962, 6420, 7443, 8270, 9630, 9924, 12405, 14886, 16540, 19260, 24810, 29772, 37215, 49620, 74430, 88489, 148860, 176978, 265467, 353956, 442445, 530934, 796401, 884890, 1061868, 1327335, 1592802, 1769780, 2654670, 3185604, 3982005, 5309340, 7964010, 15928020]

約数ペア:

[(1, 15928020), (2, 7964010), (3, 5309340), (4, 3982005), (5, 3185604), (6, 2654670), (9, 1769780), (10, 1592802), (12, 1327335), (15, 1061868), (18, 884890), (20, 796401), (30, 530934), (36, 442445), (45, 353956), (60, 265467), (90, 176978), (107, 148860), (180, 88489), (214, 74430), (321, 49620), (428, 37215), (535, 29772), (642, 24810), (827, 19260), (963, 16540), (1070, 14886), (1284, 12405), (1605, 9924), (1654, 9630), (1926, 8270), (2140, 7443), (2481, 6420), (3210, 4962), (3308, 4815), (3852, 4135)]