123091120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1723}}^1$

素因数の和:1802

約数の個数: 80

約数和(自身を含む): 307837440

約数和(自身を除く): 184746320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 94, 95, 152, 188, 190, 235, 304, 376, 380, 470, 752, 760, 893, 940, 1520, 1723, 1786, 1880, 3446, 3572, 3760, 4465, 6892, 7144, 8615, 8930, 13784, 14288, 17230, 17860, 27568, 32737, 34460, 35720, 65474, 68920, 71440, 80981, 130948, 137840, 161962, 163685, 261896, 323924, 327370, 404905, 523792, 647848, 654740, 809810, 1295696, 1309480, 1538639, 1619620, 2618960, 3077278, 3239240, 6154556, 6478480, 7693195, 12309112, 15386390, 24618224, 30772780, 61545560, 123091120]

約数ペア:

[(1, 123091120), (2, 61545560), (4, 30772780), (5, 24618224), (8, 15386390), (10, 12309112), (16, 7693195), (19, 6478480), (20, 6154556), (38, 3239240), (40, 3077278), (47, 2618960), (76, 1619620), (80, 1538639), (94, 1309480), (95, 1295696), (152, 809810), (188, 654740), (190, 647848), (235, 523792), (304, 404905), (376, 327370), (380, 323924), (470, 261896), (752, 163685), (760, 161962), (893, 137840), (940, 130948), (1520, 80981), (1723, 71440), (1786, 68920), (1880, 65474), (3446, 35720), (3572, 34460), (3760, 32737), (4465, 27568), (6892, 17860), (7144, 17230), (8615, 14288), (8930, 13784)]