71778210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2459}}^1$

素因数の和:2615

約数の個数: 64

約数和(自身を含む): 198374400

約数和(自身を除く): 126596190

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 139, 210, 278, 417, 695, 834, 973, 1390, 1946, 2085, 2459, 2919, 4170, 4865, 4918, 5838, 7377, 9730, 12295, 14595, 14754, 17213, 24590, 29190, 34426, 36885, 51639, 73770, 86065, 103278, 172130, 258195, 341801, 516390, 683602, 1025403, 1709005, 2050806, 2392607, 3418010, 4785214, 5127015, 7177821, 10254030, 11963035, 14355642, 23926070, 35889105, 71778210]

約数ペア:

[(1, 71778210), (2, 35889105), (3, 23926070), (5, 14355642), (6, 11963035), (7, 10254030), (10, 7177821), (14, 5127015), (15, 4785214), (21, 3418010), (30, 2392607), (35, 2050806), (42, 1709005), (70, 1025403), (105, 683602), (139, 516390), (210, 341801), (278, 258195), (417, 172130), (695, 103278), (834, 86065), (973, 73770), (1390, 51639), (1946, 36885), (2085, 34426), (2459, 29190), (2919, 24590), (4170, 17213), (4865, 14754), (4918, 14595), (5838, 12295), (7377, 9730)]