1553123760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{281363}}^1$

素因数の和:281402

約数の個数: 80

約数和(自身を含む): 5024035584

約数和(自身を除く): 3470911824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 281363, 562726, 844089, 1125452, 1406815, 1688178, 2250904, 2813630, 3376356, 4220445, 4501808, 5627260, 6471349, 6752712, 8440890, 11254520, 12942698, 13505424, 16881780, 19414047, 22509040, 25885396, 32356745, 33763560, 38828094, 51770792, 64713490, 67527120, 77656188, 97070235, 103541584, 129426980, 155312376, 194140470, 258853960, 310624752, 388280940, 517707920, 776561880, 1553123760]

約数ペア:

[(1, 1553123760), (2, 776561880), (3, 517707920), (4, 388280940), (5, 310624752), (6, 258853960), (8, 194140470), (10, 155312376), (12, 129426980), (15, 103541584), (16, 97070235), (20, 77656188), (23, 67527120), (24, 64713490), (30, 51770792), (40, 38828094), (46, 33763560), (48, 32356745), (60, 25885396), (69, 22509040), (80, 19414047), (92, 16881780), (115, 13505424), (120, 12942698), (138, 11254520), (184, 8440890), (230, 6752712), (240, 6471349), (276, 5627260), (345, 4501808), (368, 4220445), (460, 3376356), (552, 2813630), (690, 2250904), (920, 1688178), (1104, 1406815), (1380, 1125452), (1840, 844089), (2760, 562726), (5520, 281363)]