1145178640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^3\times {\mathrm{2087}}^1$

素因数の和:2157

約数の個数: 80

約数和(自身を含む): 2811784320

約数和(自身を除く): 1666605680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1444, 1520, 1805, 2087, 2888, 3610, 4174, 5776, 6859, 7220, 8348, 10435, 13718, 14440, 16696, 20870, 27436, 28880, 33392, 34295, 39653, 41740, 54872, 68590, 79306, 83480, 109744, 137180, 158612, 166960, 198265, 274360, 317224, 396530, 548720, 634448, 753407, 793060, 1506814, 1586120, 3013628, 3172240, 3767035, 6027256, 7534070, 12054512, 14314733, 15068140, 28629466, 30136280, 57258932, 60272560, 71573665, 114517864, 143147330, 229035728, 286294660, 572589320, 1145178640]

約数ペア:

[(1, 1145178640), (2, 572589320), (4, 286294660), (5, 229035728), (8, 143147330), (10, 114517864), (16, 71573665), (19, 60272560), (20, 57258932), (38, 30136280), (40, 28629466), (76, 15068140), (80, 14314733), (95, 12054512), (152, 7534070), (190, 6027256), (304, 3767035), (361, 3172240), (380, 3013628), (722, 1586120), (760, 1506814), (1444, 793060), (1520, 753407), (1805, 634448), (2087, 548720), (2888, 396530), (3610, 317224), (4174, 274360), (5776, 198265), (6859, 166960), (7220, 158612), (8348, 137180), (10435, 109744), (13718, 83480), (14440, 79306), (16696, 68590), (20870, 54872), (27436, 41740), (28880, 39653), (33392, 34295)]