30520020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1877}}^1$

素因数の和:2160

約数の個数: 48

約数和(自身を含む): 85817088

約数和(自身を除く): 55297068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 271, 542, 813, 1084, 1355, 1626, 1877, 2710, 3252, 3754, 4065, 5420, 5631, 7508, 8130, 9385, 11262, 16260, 18770, 22524, 28155, 37540, 56310, 112620, 508667, 1017334, 1526001, 2034668, 2543335, 3052002, 5086670, 6104004, 7630005, 10173340, 15260010, 30520020]

約数ペア:

[(1, 30520020), (2, 15260010), (3, 10173340), (4, 7630005), (5, 6104004), (6, 5086670), (10, 3052002), (12, 2543335), (15, 2034668), (20, 1526001), (30, 1017334), (60, 508667), (271, 112620), (542, 56310), (813, 37540), (1084, 28155), (1355, 22524), (1626, 18770), (1877, 16260), (2710, 11262), (3252, 9385), (3754, 8130), (4065, 7508), (5420, 5631)]