16995060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{359}}^1$

素因数の和:637

約数の個数: 72

約数和(自身を含む): 51891840

約数和(自身を除く): 34896780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 263, 359, 526, 718, 789, 1052, 1077, 1315, 1436, 1578, 1795, 2154, 2367, 2630, 3156, 3231, 3590, 3945, 4308, 4734, 5260, 5385, 6462, 7180, 7890, 9468, 10770, 11835, 12924, 15780, 16155, 21540, 23670, 32310, 47340, 64620, 94417, 188834, 283251, 377668, 472085, 566502, 849753, 944170, 1133004, 1416255, 1699506, 1888340, 2832510, 3399012, 4248765, 5665020, 8497530, 16995060]

約数ペア:

[(1, 16995060), (2, 8497530), (3, 5665020), (4, 4248765), (5, 3399012), (6, 2832510), (9, 1888340), (10, 1699506), (12, 1416255), (15, 1133004), (18, 944170), (20, 849753), (30, 566502), (36, 472085), (45, 377668), (60, 283251), (90, 188834), (180, 94417), (263, 64620), (359, 47340), (526, 32310), (718, 23670), (789, 21540), (1052, 16155), (1077, 15780), (1315, 12924), (1436, 11835), (1578, 10770), (1795, 9468), (2154, 7890), (2367, 7180), (2630, 6462), (3156, 5385), (3231, 5260), (3590, 4734), (3945, 4308)]