13243920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:552

約数の個数: 80

約数和(自身を含む): 41455680

約数和(自身を除く): 28211760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 139, 240, 278, 397, 417, 556, 695, 794, 834, 1112, 1191, 1390, 1588, 1668, 1985, 2085, 2224, 2382, 2780, 3176, 3336, 3970, 4170, 4764, 5560, 5955, 6352, 6672, 7940, 8340, 9528, 11120, 11910, 15880, 16680, 19056, 23820, 31760, 33360, 47640, 55183, 95280, 110366, 165549, 220732, 275915, 331098, 441464, 551830, 662196, 827745, 882928, 1103660, 1324392, 1655490, 2207320, 2648784, 3310980, 4414640, 6621960, 13243920]

約数ペア:

[(1, 13243920), (2, 6621960), (3, 4414640), (4, 3310980), (5, 2648784), (6, 2207320), (8, 1655490), (10, 1324392), (12, 1103660), (15, 882928), (16, 827745), (20, 662196), (24, 551830), (30, 441464), (40, 331098), (48, 275915), (60, 220732), (80, 165549), (120, 110366), (139, 95280), (240, 55183), (278, 47640), (397, 33360), (417, 31760), (556, 23820), (695, 19056), (794, 16680), (834, 15880), (1112, 11910), (1191, 11120), (1390, 9528), (1588, 8340), (1668, 7940), (1985, 6672), (2085, 6352), (2224, 5955), (2382, 5560), (2780, 4764), (3176, 4170), (3336, 3970)]