15960980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{659}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 38586240

約数和(自身を除く): 22625260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 659, 692, 865, 1211, 1318, 1730, 2422, 2636, 3295, 3460, 4613, 4844, 6055, 6590, 9226, 12110, 13180, 18452, 23065, 24220, 46130, 92260, 114007, 228014, 456028, 570035, 798049, 1140070, 1596098, 2280140, 3192196, 3990245, 7980490, 15960980]

約数ペア:

[(1, 15960980), (2, 7980490), (4, 3990245), (5, 3192196), (7, 2280140), (10, 1596098), (14, 1140070), (20, 798049), (28, 570035), (35, 456028), (70, 228014), (140, 114007), (173, 92260), (346, 46130), (659, 24220), (692, 23065), (865, 18452), (1211, 13180), (1318, 12110), (1730, 9226), (2422, 6590), (2636, 6055), (3295, 4844), (3460, 4613)]