15392980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 34151040

約数和(自身を除く): 18758060

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 109, 115, 218, 230, 307, 436, 460, 545, 614, 1090, 1228, 1535, 2180, 2507, 3070, 5014, 6140, 7061, 10028, 12535, 14122, 25070, 28244, 33463, 35305, 50140, 66926, 70610, 133852, 141220, 167315, 334630, 669260, 769649, 1539298, 3078596, 3848245, 7696490, 15392980]

約数ペア:

[(1, 15392980), (2, 7696490), (4, 3848245), (5, 3078596), (10, 1539298), (20, 769649), (23, 669260), (46, 334630), (92, 167315), (109, 141220), (115, 133852), (218, 70610), (230, 66926), (307, 50140), (436, 35305), (460, 33463), (545, 28244), (614, 25070), (1090, 14122), (1228, 12535), (1535, 10028), (2180, 7061), (2507, 6140), (3070, 5014)]