1520671954

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:479

約数の個数: 64

約数和(自身を含む): 2574028800

約数和(自身を除く): 1053356846

約数列:

[1, 2, 19, 31, 37, 38, 62, 74, 139, 251, 278, 502, 589, 703, 1147, 1178, 1406, 2294, 2641, 4309, 4769, 5143, 5282, 7781, 8618, 9287, 9538, 10286, 15562, 18574, 21793, 34889, 43586, 69778, 81871, 97717, 147839, 159433, 163742, 176453, 195434, 287897, 295678, 318866, 352906, 575794, 662891, 1081559, 1290893, 1325782, 2163118, 2581786, 3029227, 5470043, 6058454, 10940086, 20549621, 24526967, 40017683, 41099242, 49053934, 80035366, 760335977, 1520671954]

約数ペア:

[(1, 1520671954), (2, 760335977), (19, 80035366), (31, 49053934), (37, 41099242), (38, 40017683), (62, 24526967), (74, 20549621), (139, 10940086), (251, 6058454), (278, 5470043), (502, 3029227), (589, 2581786), (703, 2163118), (1147, 1325782), (1178, 1290893), (1406, 1081559), (2294, 662891), (2641, 575794), (4309, 352906), (4769, 318866), (5143, 295678), (5282, 287897), (7781, 195434), (8618, 176453), (9287, 163742), (9538, 159433), (10286, 147839), (15562, 97717), (18574, 81871), (21793, 69778), (34889, 43586)]