207980520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157561}}^1$

素因数の和:157586

約数の個数: 64

約数和(自身を含む): 680667840

約数和(自身を除く): 472687320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 157561, 315122, 472683, 630244, 787805, 945366, 1260488, 1575610, 1733171, 1890732, 2363415, 3151220, 3466342, 3781464, 4726830, 5199513, 6302440, 6932684, 8665855, 9453660, 10399026, 13865368, 17331710, 18907320, 20798052, 25997565, 34663420, 41596104, 51995130, 69326840, 103990260, 207980520]

約数ペア:

[(1, 207980520), (2, 103990260), (3, 69326840), (4, 51995130), (5, 41596104), (6, 34663420), (8, 25997565), (10, 20798052), (11, 18907320), (12, 17331710), (15, 13865368), (20, 10399026), (22, 9453660), (24, 8665855), (30, 6932684), (33, 6302440), (40, 5199513), (44, 4726830), (55, 3781464), (60, 3466342), (66, 3151220), (88, 2363415), (110, 1890732), (120, 1733171), (132, 1575610), (165, 1260488), (220, 945366), (264, 787805), (330, 630244), (440, 472683), (660, 315122), (1320, 157561)]