166987140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{31271}}^1$

素因数の和:31372

約数の個数: 48

約数和(自身を含む): 472832640

約数和(自身を除く): 305845500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 5340, 31271, 62542, 93813, 125084, 156355, 187626, 312710, 375252, 469065, 625420, 938130, 1876260, 2783119, 5566238, 8349357, 11132476, 13915595, 16698714, 27831190, 33397428, 41746785, 55662380, 83493570, 166987140]

約数ペア:

[(1, 166987140), (2, 83493570), (3, 55662380), (4, 41746785), (5, 33397428), (6, 27831190), (10, 16698714), (12, 13915595), (15, 11132476), (20, 8349357), (30, 5566238), (60, 2783119), (89, 1876260), (178, 938130), (267, 625420), (356, 469065), (445, 375252), (534, 312710), (890, 187626), (1068, 156355), (1335, 125084), (1780, 93813), (2670, 62542), (5340, 31271)]