180561520

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{383}}^1$

素因数の和:550

約数の個数: 80

約数和(自身を含む): 431972352

約数和(自身を除く): 251410832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 83, 142, 166, 284, 332, 355, 383, 415, 568, 664, 710, 766, 830, 1136, 1328, 1420, 1532, 1660, 1915, 2840, 3064, 3320, 3830, 5680, 5893, 6128, 6640, 7660, 11786, 15320, 23572, 27193, 29465, 30640, 31789, 47144, 54386, 58930, 63578, 94288, 108772, 117860, 127156, 135965, 158945, 217544, 235720, 254312, 271930, 317890, 435088, 471440, 508624, 543860, 635780, 1087720, 1271560, 2175440, 2257019, 2543120, 4514038, 9028076, 11285095, 18056152, 22570190, 36112304, 45140380, 90280760, 180561520]

約数ペア:

[(1, 180561520), (2, 90280760), (4, 45140380), (5, 36112304), (8, 22570190), (10, 18056152), (16, 11285095), (20, 9028076), (40, 4514038), (71, 2543120), (80, 2257019), (83, 2175440), (142, 1271560), (166, 1087720), (284, 635780), (332, 543860), (355, 508624), (383, 471440), (415, 435088), (568, 317890), (664, 271930), (710, 254312), (766, 235720), (830, 217544), (1136, 158945), (1328, 135965), (1420, 127156), (1532, 117860), (1660, 108772), (1915, 94288), (2840, 63578), (3064, 58930), (3320, 54386), (3830, 47144), (5680, 31789), (5893, 30640), (6128, 29465), (6640, 27193), (7660, 23572), (11786, 15320)]