15392140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2663}}^1$

素因数の和:2706

約数の個数: 36

約数和(自身を含む): 34349616

約数和(自身を除く): 18957476

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2663, 2890, 5326, 5780, 10652, 13315, 26630, 45271, 53260, 90542, 181084, 226355, 452710, 769607, 905420, 1539214, 3078428, 3848035, 7696070, 15392140]

約数ペア:

[(1, 15392140), (2, 7696070), (4, 3848035), (5, 3078428), (10, 1539214), (17, 905420), (20, 769607), (34, 452710), (68, 226355), (85, 181084), (170, 90542), (289, 53260), (340, 45271), (578, 26630), (1156, 13315), (1445, 10652), (2663, 5780), (2890, 5326)]